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Finding the Fourth Proportional to 178,346.12, 267,713.10 and 134,099.72

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Solution

The fourth proportional to 178,346.12, 267,713.10 and 134,099.72 is: 201,295.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,346.12 : 267,713.10 = 134,099.72 : x
  2. Step 2: Convert to fraction form
    178,346.12/267,713.10 = 134,099.72/x
  3. Step 3: Cross multiply
    178,346.12x = 267,713.10 × 134,099.72
  4. Step 4: Simplify right side
    178,346.12x = 35,900,251,750.33
  5. Step 5: Solve for x
    x = 35,900,251,750.33/178,346.12
  6. Step 6: Final answer
    x = 201,295.39

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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.