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Finding the Fourth Proportional to 84,960,641,104.80, 127,196,073,644.40 and 84,960,641,104.80

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Solution

The fourth proportional to 84,960,641,104.80, 127,196,073,644.40 and 84,960,641,104.80 is: 127,196,073,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,960,641,104.80 : 127,196,073,644.40 = 84,960,641,104.80 : x
  2. Step 2: Convert to fraction form
    84,960,641,104.80/127,196,073,644.40 = 84,960,641,104.80/x
  3. Step 3: Cross multiply
    84,960,641,104.80x = 127,196,073,644.40 × 84,960,641,104.80
  4. Step 4: Simplify right side
    84,960,641,104.80x = 10,806,659,962,841,579,126,784
  5. Step 5: Solve for x
    x = 10,806,659,962,841,579,126,784/84,960,641,104.80
  6. Step 6: Final answer
    x = 127,196,073,644.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.