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Finding the Fourth Proportional to 95,371.92, 143,104.35 and 39,228.86

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Solution

The fourth proportional to 95,371.92, 143,104.35 and 39,228.86 is: 58,862.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,371.92 : 143,104.35 = 39,228.86 : x
  2. Step 2: Convert to fraction form
    95,371.92/143,104.35 = 39,228.86/x
  3. Step 3: Cross multiply
    95,371.92x = 143,104.35 × 39,228.86
  4. Step 4: Simplify right side
    95,371.92x = 5,613,819,796.02
  5. Step 5: Solve for x
    x = 5,613,819,796.02/95,371.92
  6. Step 6: Final answer
    x = 58,862.40

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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.