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Finding the Fourth Proportional to 352,565.59, 529,105.18 and 127,944.11

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Solution

The fourth proportional to 352,565.59, 529,105.18 and 127,944.11 is: 192,009.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,565.59 : 529,105.18 = 127,944.11 : x
  2. Step 2: Convert to fraction form
    352,565.59/529,105.18 = 127,944.11/x
  3. Step 3: Cross multiply
    352,565.59x = 529,105.18 × 127,944.11
  4. Step 4: Simplify right side
    352,565.59x = 67,695,893,236.20
  5. Step 5: Solve for x
    x = 67,695,893,236.20/352,565.59
  6. Step 6: Final answer
    x = 192,009.36

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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.