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Finding the Fourth Proportional to 310,345.92, 465,523.20 and 88,729.92

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Solution

The fourth proportional to 310,345.92, 465,523.20 and 88,729.92 is: 133,096.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,345.92 : 465,523.20 = 88,729.92 : x
  2. Step 2: Convert to fraction form
    310,345.92/465,523.20 = 88,729.92/x
  3. Step 3: Cross multiply
    310,345.92x = 465,523.20 × 88,729.92
  4. Step 4: Simplify right side
    310,345.92x = 41,305,836,294.14
  5. Step 5: Solve for x
    x = 41,305,836,294.14/310,345.92
  6. Step 6: Final answer
    x = 133,096.12

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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.