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Finding the Fourth Proportional to 159,657, 220,324.23 and 88,035.18

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Solution

The fourth proportional to 159,657, 220,324.23 and 88,035.18 is: 121,487.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,657 : 220,324.23 = 88,035.18 : x
  2. Step 2: Convert to fraction form
    159,657/220,324.23 = 88,035.18/x
  3. Step 3: Cross multiply
    159,657x = 220,324.23 × 88,035.18
  4. Step 4: Simplify right side
    159,657x = 19,396,283,246.41
  5. Step 5: Solve for x
    x = 19,396,283,246.41/159,657
  6. Step 6: Final answer
    x = 121,487.21

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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.