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Finding the Fourth Proportional to 178,474.66, 267,625.87 and 103,613.65

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Solution

The fourth proportional to 178,474.66, 267,625.87 and 103,613.65 is: 155,370.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,474.66 : 267,625.87 = 103,613.65 : x
  2. Step 2: Convert to fraction form
    178,474.66/267,625.87 = 103,613.65/x
  3. Step 3: Cross multiply
    178,474.66x = 267,625.87 × 103,613.65
  4. Step 4: Simplify right side
    178,474.66x = 27,729,693,225.13
  5. Step 5: Solve for x
    x = 27,729,693,225.13/178,474.66
  6. Step 6: Final answer
    x = 155,370.48

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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.