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Finding the Fourth Proportional to 96,434.44, 144,402.42 and 66,540.88

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Solution

The fourth proportional to 96,434.44, 144,402.42 and 66,540.88 is: 99,639.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,434.44 : 144,402.42 = 66,540.88 : x
  2. Step 2: Convert to fraction form
    96,434.44/144,402.42 = 66,540.88/x
  3. Step 3: Cross multiply
    96,434.44x = 144,402.42 × 66,540.88
  4. Step 4: Simplify right side
    96,434.44x = 9,608,664,100.93
  5. Step 5: Solve for x
    x = 9,608,664,100.93/96,434.44
  6. Step 6: Final answer
    x = 99,639.34

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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.