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Finding the Fourth Proportional to 198,294.32, 273,691.32 and 113,458.16

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Solution

The fourth proportional to 198,294.32, 273,691.32 and 113,458.16 is: 156,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,294.32 : 273,691.32 = 113,458.16 : x
  2. Step 2: Convert to fraction form
    198,294.32/273,691.32 = 113,458.16/x
  3. Step 3: Cross multiply
    198,294.32x = 273,691.32 × 113,458.16
  4. Step 4: Simplify right side
    198,294.32x = 31,052,513,575.17
  5. Step 5: Solve for x
    x = 31,052,513,575.17/198,294.32
  6. Step 6: Final answer
    x = 156,598.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.