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Finding the Fourth Proportional to 159,650.65, 220,319.49 and 88,028.83

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Solution

The fourth proportional to 159,650.65, 220,319.49 and 88,028.83 is: 121,480.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,650.65 : 220,319.49 = 88,028.83 : x
  2. Step 2: Convert to fraction form
    159,650.65/220,319.49 = 88,028.83/x
  3. Step 3: Cross multiply
    159,650.65x = 220,319.49 × 88,028.83
  4. Step 4: Simplify right side
    159,650.65x = 19,394,466,930.90
  5. Step 5: Solve for x
    x = 19,394,466,930.90/159,650.65
  6. Step 6: Final answer
    x = 121,480.66

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1.5x scale

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.