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Finding the Fourth Proportional to 159,663.16, 220,330.11 and 88,046.20

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Solution

The fourth proportional to 159,663.16, 220,330.11 and 88,046.20 is: 121,500.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,663.16 : 220,330.11 = 88,046.20 : x
  2. Step 2: Convert to fraction form
    159,663.16/220,330.11 = 88,046.20/x
  3. Step 3: Cross multiply
    159,663.16x = 220,330.11 × 88,046.20
  4. Step 4: Simplify right side
    159,663.16x = 19,399,228,931.08
  5. Step 5: Solve for x
    x = 19,399,228,931.08/159,663.16
  6. Step 6: Final answer
    x = 121,500.97

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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.