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Finding the Fourth Proportional to 177,993.47, 267,174.72 and 119,239.71

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Solution

The fourth proportional to 177,993.47, 267,174.72 and 119,239.71 is: 178,983.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,993.47 : 267,174.72 = 119,239.71 : x
  2. Step 2: Convert to fraction form
    177,993.47/267,174.72 = 119,239.71/x
  3. Step 3: Cross multiply
    177,993.47x = 267,174.72 × 119,239.71
  4. Step 4: Simplify right side
    177,993.47x = 31,857,836,132.13
  5. Step 5: Solve for x
    x = 31,857,836,132.13/177,993.47
  6. Step 6: Final answer
    x = 178,983.18

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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.