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Finding the Fourth Proportional to 159,854.66, 220,601.24 and 88,234.71

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Solution

The fourth proportional to 159,854.66, 220,601.24 and 88,234.71 is: 121,764.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,854.66 : 220,601.24 = 88,234.71 : x
  2. Step 2: Convert to fraction form
    159,854.66/220,601.24 = 88,234.71/x
  3. Step 3: Cross multiply
    159,854.66x = 220,601.24 × 88,234.71
  4. Step 4: Simplify right side
    159,854.66x = 19,464,686,657.63
  5. Step 5: Solve for x
    x = 19,464,686,657.63/159,854.66
  6. Step 6: Final answer
    x = 121,764.90

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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.