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Finding the Fourth Proportional to 124,264.92, 186,462.98 and 54,149.70

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Solution

The fourth proportional to 124,264.92, 186,462.98 and 54,149.70 is: 81,253.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,264.92 : 186,462.98 = 54,149.70 : x
  2. Step 2: Convert to fraction form
    124,264.92/186,462.98 = 54,149.70/x
  3. Step 3: Cross multiply
    124,264.92x = 186,462.98 × 54,149.70
  4. Step 4: Simplify right side
    124,264.92x = 10,096,914,428.11
  5. Step 5: Solve for x
    x = 10,096,914,428.11/124,264.92
  6. Step 6: Final answer
    x = 81,253.14

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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.