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Finding the Fourth Proportional to 159,651.48, 220,320.54 and 88,034.10

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Solution

The fourth proportional to 159,651.48, 220,320.54 and 88,034.10 is: 121,487.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,651.48 : 220,320.54 = 88,034.10 : x
  2. Step 2: Convert to fraction form
    159,651.48/220,320.54 = 88,034.10/x
  3. Step 3: Cross multiply
    159,651.48x = 220,320.54 × 88,034.10
  4. Step 4: Simplify right side
    159,651.48x = 19,395,720,450.41
  5. Step 5: Solve for x
    x = 19,395,720,450.41/159,651.48
  6. Step 6: Final answer
    x = 121,487.88

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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.