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Finding the Fourth Proportional to 124,697.40, 187,046.10 and 62,489.40

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Solution

The fourth proportional to 124,697.40, 187,046.10 and 62,489.40 is: 93,734.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,697.40 : 187,046.10 = 62,489.40 : x
  2. Step 2: Convert to fraction form
    124,697.40/187,046.10 = 62,489.40/x
  3. Step 3: Cross multiply
    124,697.40x = 187,046.10 × 62,489.40
  4. Step 4: Simplify right side
    124,697.40x = 11,688,398,561.34
  5. Step 5: Solve for x
    x = 11,688,398,561.34/124,697.40
  6. Step 6: Final answer
    x = 93,734.10

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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.