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Finding the Fourth Proportional to 159,751.44, 220,446.06 and 88,132.66

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Solution

The fourth proportional to 159,751.44, 220,446.06 and 88,132.66 is: 121,617.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,751.44 : 220,446.06 = 88,132.66 : x
  2. Step 2: Convert to fraction form
    159,751.44/220,446.06 = 88,132.66/x
  3. Step 3: Cross multiply
    159,751.44x = 220,446.06 × 88,132.66
  4. Step 4: Simplify right side
    159,751.44x = 19,428,496,772.71
  5. Step 5: Solve for x
    x = 19,428,496,772.71/159,751.44
  6. Step 6: Final answer
    x = 121,617.04

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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.