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Finding the Fourth Proportional to 180,174.39, 248,665.46 and 103,691.97

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Solution

The fourth proportional to 180,174.39, 248,665.46 and 103,691.97 is: 143,109.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,174.39 : 248,665.46 = 103,691.97 : x
  2. Step 2: Convert to fraction form
    180,174.39/248,665.46 = 103,691.97/x
  3. Step 3: Cross multiply
    180,174.39x = 248,665.46 × 103,691.97
  4. Step 4: Simplify right side
    180,174.39x = 25,784,610,899.90
  5. Step 5: Solve for x
    x = 25,784,610,899.90/180,174.39
  6. Step 6: Final answer
    x = 143,109.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.