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Finding the Fourth Proportional to 159,882.97, 220,638.54 and 88,263.04

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Solution

The fourth proportional to 159,882.97, 220,638.54 and 88,263.04 is: 121,803.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,882.97 : 220,638.54 = 88,263.04 : x
  2. Step 2: Convert to fraction form
    159,882.97/220,638.54 = 88,263.04/x
  3. Step 3: Cross multiply
    159,882.97x = 220,638.54 × 88,263.04
  4. Step 4: Simplify right side
    159,882.97x = 19,474,228,281.56
  5. Step 5: Solve for x
    x = 19,474,228,281.56/159,882.97
  6. Step 6: Final answer
    x = 121,803.02

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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.