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Finding the Fourth Proportional to 96,122.80, 144,209.40 and 36,960.40

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Solution

The fourth proportional to 96,122.80, 144,209.40 and 36,960.40 is: 55,450.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,122.80 : 144,209.40 = 36,960.40 : x
  2. Step 2: Convert to fraction form
    96,122.80/144,209.40 = 36,960.40/x
  3. Step 3: Cross multiply
    96,122.80x = 144,209.40 × 36,960.40
  4. Step 4: Simplify right side
    96,122.80x = 5,330,037,107.76
  5. Step 5: Solve for x
    x = 5,330,037,107.76/96,122.80
  6. Step 6: Final answer
    x = 55,450.29

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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.