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Finding the Fourth Proportional to 117,751.29, 176,567.88 and 54,517.14

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Solution

The fourth proportional to 117,751.29, 176,567.88 and 54,517.14 is: 81,748.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,751.29 : 176,567.88 = 54,517.14 : x
  2. Step 2: Convert to fraction form
    117,751.29/176,567.88 = 54,517.14/x
  3. Step 3: Cross multiply
    117,751.29x = 176,567.88 × 54,517.14
  4. Step 4: Simplify right side
    117,751.29x = 9,625,975,833.46
  5. Step 5: Solve for x
    x = 9,625,975,833.46/117,751.29
  6. Step 6: Final answer
    x = 81,748.37

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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.