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Finding the Fourth Proportional to 95,348, 131,604.42 and 65,145.53

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Solution

The fourth proportional to 95,348, 131,604.42 and 65,145.53 is: 89,917.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,348 : 131,604.42 = 65,145.53 : x
  2. Step 2: Convert to fraction form
    95,348/131,604.42 = 65,145.53/x
  3. Step 3: Cross multiply
    95,348x = 131,604.42 × 65,145.53
  4. Step 4: Simplify right side
    95,348x = 8,573,439,691.24
  5. Step 5: Solve for x
    x = 8,573,439,691.24/95,348
  6. Step 6: Final answer
    x = 89,917.35

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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.