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Finding the Fourth Proportional to 144,754.80, 217,132.20 and 51,248.40

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Solution

The fourth proportional to 144,754.80, 217,132.20 and 51,248.40 is: 76,872.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,754.80 : 217,132.20 = 51,248.40 : x
  2. Step 2: Convert to fraction form
    144,754.80/217,132.20 = 51,248.40/x
  3. Step 3: Cross multiply
    144,754.80x = 217,132.20 × 51,248.40
  4. Step 4: Simplify right side
    144,754.80x = 11,127,677,838.48
  5. Step 5: Solve for x
    x = 11,127,677,838.48/144,754.80
  6. Step 6: Final answer
    x = 76,872.60

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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.