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Finding the Fourth Proportional to 177,167.97, 265,862.21 and 71,986.93

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Solution

The fourth proportional to 177,167.97, 265,862.21 and 71,986.93 is: 108,025.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,167.97 : 265,862.21 = 71,986.93 : x
  2. Step 2: Convert to fraction form
    177,167.97/265,862.21 = 71,986.93/x
  3. Step 3: Cross multiply
    177,167.97x = 265,862.21 × 71,986.93
  4. Step 4: Simplify right side
    177,167.97x = 19,138,603,276.33
  5. Step 5: Solve for x
    x = 19,138,603,276.33/177,167.97
  6. Step 6: Final answer
    x = 108,025.19

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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.