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Finding the Fourth Proportional to 178,472.88, 267,626.25 and 66,148.56

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Solution

The fourth proportional to 178,472.88, 267,626.25 and 66,148.56 is: 99,192.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,472.88 : 267,626.25 = 66,148.56 : x
  2. Step 2: Convert to fraction form
    178,472.88/267,626.25 = 66,148.56/x
  3. Step 3: Cross multiply
    178,472.88x = 267,626.25 × 66,148.56
  4. Step 4: Simplify right side
    178,472.88x = 17,703,091,055.70
  5. Step 5: Solve for x
    x = 17,703,091,055.70/178,472.88
  6. Step 6: Final answer
    x = 99,192.05

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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.