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Finding the Fourth Proportional to 252,264.65, 378,398.48 and 74,773.17

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Solution

The fourth proportional to 252,264.65, 378,398.48 and 74,773.17 is: 112,160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,264.65 : 378,398.48 = 74,773.17 : x
  2. Step 2: Convert to fraction form
    252,264.65/378,398.48 = 74,773.17/x
  3. Step 3: Cross multiply
    252,264.65x = 378,398.48 × 74,773.17
  4. Step 4: Simplify right side
    252,264.65x = 28,294,053,498.92
  5. Step 5: Solve for x
    x = 28,294,053,498.92/252,264.65
  6. Step 6: Final answer
    x = 112,160.20

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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.