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Finding the Fourth Proportional to 144,422.88, 216,654.84 and 44,591.28

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Solution

The fourth proportional to 144,422.88, 216,654.84 and 44,591.28 is: 66,893.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,422.88 : 216,654.84 = 44,591.28 : x
  2. Step 2: Convert to fraction form
    144,422.88/216,654.84 = 44,591.28/x
  3. Step 3: Cross multiply
    144,422.88x = 216,654.84 × 44,591.28
  4. Step 4: Simplify right side
    144,422.88x = 9,660,916,633.80
  5. Step 5: Solve for x
    x = 9,660,916,633.80/144,422.88
  6. Step 6: Final answer
    x = 66,893.26

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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.