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Finding the Fourth Proportional to 178,342.70, 267,526.20 and 56,753.60

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Solution

The fourth proportional to 178,342.70, 267,526.20 and 56,753.60 is: 85,134.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,342.70 : 267,526.20 = 56,753.60 : x
  2. Step 2: Convert to fraction form
    178,342.70/267,526.20 = 56,753.60/x
  3. Step 3: Cross multiply
    178,342.70x = 267,526.20 × 56,753.60
  4. Step 4: Simplify right side
    178,342.70x = 15,183,074,944.32
  5. Step 5: Solve for x
    x = 15,183,074,944.32/178,342.70
  6. Step 6: Final answer
    x = 85,134.27

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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.