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Finding the Fourth Proportional to 159,717, 220,410.50 and 88,098.96

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Solution

The fourth proportional to 159,717, 220,410.50 and 88,098.96 is: 121,577.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,717 : 220,410.50 = 88,098.96 : x
  2. Step 2: Convert to fraction form
    159,717/220,410.50 = 88,098.96/x
  3. Step 3: Cross multiply
    159,717x = 220,410.50 × 88,098.96
  4. Step 4: Simplify right side
    159,717x = 19,417,935,823.08
  5. Step 5: Solve for x
    x = 19,417,935,823.08/159,717
  6. Step 6: Final answer
    x = 121,577.14

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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.