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Finding the Fourth Proportional to 95,308.90, 142,920.15 and 36,124.90

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Solution

The fourth proportional to 95,308.90, 142,920.15 and 36,124.90 is: 54,170.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,308.90 : 142,920.15 = 36,124.90 : x
  2. Step 2: Convert to fraction form
    95,308.90/142,920.15 = 36,124.90/x
  3. Step 3: Cross multiply
    95,308.90x = 142,920.15 × 36,124.90
  4. Step 4: Simplify right side
    95,308.90x = 5,162,976,126.74
  5. Step 5: Solve for x
    x = 5,162,976,126.74/95,308.90
  6. Step 6: Final answer
    x = 54,170.98

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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.