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Finding the Fourth Proportional to 178,345.70, 267,440.75 and 67,459.94

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Solution

The fourth proportional to 178,345.70, 267,440.75 and 67,459.94 is: 101,160.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,345.70 : 267,440.75 = 67,459.94 : x
  2. Step 2: Convert to fraction form
    178,345.70/267,440.75 = 67,459.94/x
  3. Step 3: Cross multiply
    178,345.70x = 267,440.75 × 67,459.94
  4. Step 4: Simplify right side
    178,345.70x = 18,041,536,948.56
  5. Step 5: Solve for x
    x = 18,041,536,948.56/178,345.70
  6. Step 6: Final answer
    x = 101,160.48

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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.