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Finding the Fourth Proportional to 178,306.44, 267,357.60 and 73,068

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Solution

The fourth proportional to 178,306.44, 267,357.60 and 73,068 is: 109,560.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,306.44 : 267,357.60 = 73,068 : x
  2. Step 2: Convert to fraction form
    178,306.44/267,357.60 = 73,068/x
  3. Step 3: Cross multiply
    178,306.44x = 267,357.60 × 73,068
  4. Step 4: Simplify right side
    178,306.44x = 19,535,285,116.80
  5. Step 5: Solve for x
    x = 19,535,285,116.80/178,306.44
  6. Step 6: Final answer
    x = 109,560.18

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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.