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Finding the Fourth Proportional to 132,590.97, 198,856.08 and 37,819.35

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Solution

The fourth proportional to 132,590.97, 198,856.08 and 37,819.35 is: 56,720.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,590.97 : 198,856.08 = 37,819.35 : x
  2. Step 2: Convert to fraction form
    132,590.97/198,856.08 = 37,819.35/x
  3. Step 3: Cross multiply
    132,590.97x = 198,856.08 × 37,819.35
  4. Step 4: Simplify right side
    132,590.97x = 7,520,607,689.15
  5. Step 5: Solve for x
    x = 7,520,607,689.15/132,590.97
  6. Step 6: Final answer
    x = 56,720.36

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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.