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Finding the Fourth Proportional to 159,646.13, 220,321.58 and 88,026.03

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Solution

The fourth proportional to 159,646.13, 220,321.58 and 88,026.03 is: 121,481.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,646.13 : 220,321.58 = 88,026.03 : x
  2. Step 2: Convert to fraction form
    159,646.13/220,321.58 = 88,026.03/x
  3. Step 3: Cross multiply
    159,646.13x = 220,321.58 × 88,026.03
  4. Step 4: Simplify right side
    159,646.13x = 19,394,034,010.73
  5. Step 5: Solve for x
    x = 19,394,034,010.73/159,646.13
  6. Step 6: Final answer
    x = 121,481.39

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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.