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Finding the Fourth Proportional to 159,770.43, 220,483.17 and 88,150.59

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Solution

The fourth proportional to 159,770.43, 220,483.17 and 88,150.59 is: 121,647.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,770.43 : 220,483.17 = 88,150.59 : x
  2. Step 2: Convert to fraction form
    159,770.43/220,483.17 = 88,150.59/x
  3. Step 3: Cross multiply
    159,770.43x = 220,483.17 × 88,150.59
  4. Step 4: Simplify right side
    159,770.43x = 19,435,721,520.57
  5. Step 5: Solve for x
    x = 19,435,721,520.57/159,770.43
  6. Step 6: Final answer
    x = 121,647.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.