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Finding the Fourth Proportional to 123,392.18, 185,162.00 and 113,353.85

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Solution

The fourth proportional to 123,392.18, 185,162.00 and 113,353.85 is: 170,098.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,392.18 : 185,162.00 = 113,353.85 : x
  2. Step 2: Convert to fraction form
    123,392.18/185,162.00 = 113,353.85/x
  3. Step 3: Cross multiply
    123,392.18x = 185,162.00 × 113,353.85
  4. Step 4: Simplify right side
    123,392.18x = 20,988,825,469.84
  5. Step 5: Solve for x
    x = 20,988,825,469.84/123,392.18
  6. Step 6: Final answer
    x = 170,098.50

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.