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Finding the Fourth Proportional to 217,402.59, 325,951.12 and 95,765.42

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Solution

The fourth proportional to 217,402.59, 325,951.12 and 95,765.42 is: 143,580.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,402.59 : 325,951.12 = 95,765.42 : x
  2. Step 2: Convert to fraction form
    217,402.59/325,951.12 = 95,765.42/x
  3. Step 3: Cross multiply
    217,402.59x = 325,951.12 × 95,765.42
  4. Step 4: Simplify right side
    217,402.59x = 31,214,844,037.10
  5. Step 5: Solve for x
    x = 31,214,844,037.10/217,402.59
  6. Step 6: Final answer
    x = 143,580.83

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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.