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Finding the Fourth Proportional to 178,886.70, 268,355.57 and 60,591.87

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Solution

The fourth proportional to 178,886.70, 268,355.57 and 60,591.87 is: 90,896.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,886.70 : 268,355.57 = 60,591.87 : x
  2. Step 2: Convert to fraction form
    178,886.70/268,355.57 = 60,591.87/x
  3. Step 3: Cross multiply
    178,886.70x = 268,355.57 × 60,591.87
  4. Step 4: Simplify right side
    178,886.70x = 16,260,165,508.26
  5. Step 5: Solve for x
    x = 16,260,165,508.26/178,886.70
  6. Step 6: Final answer
    x = 90,896.45

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Why These Related Problems?

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