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Finding the Fourth Proportional to 218,627.92, 327,708.92 and 124,937.04

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Solution

The fourth proportional to 218,627.92, 327,708.92 and 124,937.04 is: 187,272.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,627.92 : 327,708.92 = 124,937.04 : x
  2. Step 2: Convert to fraction form
    218,627.92/327,708.92 = 124,937.04/x
  3. Step 3: Cross multiply
    218,627.92x = 327,708.92 × 124,937.04
  4. Step 4: Simplify right side
    218,627.92x = 40,942,982,446.40
  5. Step 5: Solve for x
    x = 40,942,982,446.40/218,627.92
  6. Step 6: Final answer
    x = 187,272.43

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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.