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Finding the Fourth Proportional to 95,209.44, 131,442.12 and 65,040

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Solution

The fourth proportional to 95,209.44, 131,442.12 and 65,040 is: 89,791.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,209.44 : 131,442.12 = 65,040 : x
  2. Step 2: Convert to fraction form
    95,209.44/131,442.12 = 65,040/x
  3. Step 3: Cross multiply
    95,209.44x = 131,442.12 × 65,040
  4. Step 4: Simplify right side
    95,209.44x = 8,548,995,484.80
  5. Step 5: Solve for x
    x = 8,548,995,484.80/95,209.44
  6. Step 6: Final answer
    x = 89,791.47

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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.