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Finding the Fourth Proportional to 178,294.78, 267,343.75 and 73,187.56

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Solution

The fourth proportional to 178,294.78, 267,343.75 and 73,187.56 is: 109,740.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,294.78 : 267,343.75 = 73,187.56 : x
  2. Step 2: Convert to fraction form
    178,294.78/267,343.75 = 73,187.56/x
  3. Step 3: Cross multiply
    178,294.78x = 267,343.75 × 73,187.56
  4. Step 4: Simplify right side
    178,294.78x = 19,566,236,743.75
  5. Step 5: Solve for x
    x = 19,566,236,743.75/178,294.78
  6. Step 6: Final answer
    x = 109,740.94

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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.