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Finding the Fourth Proportional to 92,414.80, 127,530.48 and 54,701.20

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Solution

The fourth proportional to 92,414.80, 127,530.48 and 54,701.20 is: 75,486.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,414.80 : 127,530.48 = 54,701.20 : x
  2. Step 2: Convert to fraction form
    92,414.80/127,530.48 = 54,701.20/x
  3. Step 3: Cross multiply
    92,414.80x = 127,530.48 × 54,701.20
  4. Step 4: Simplify right side
    92,414.80x = 6,976,070,292.58
  5. Step 5: Solve for x
    x = 6,976,070,292.58/92,414.80
  6. Step 6: Final answer
    x = 75,486.51

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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.