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Finding the Fourth Proportional to 95,626, 131,963.88 and 55,882

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Solution

The fourth proportional to 95,626, 131,963.88 and 55,882 is: 77,117.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,626 : 131,963.88 = 55,882 : x
  2. Step 2: Convert to fraction form
    95,626/131,963.88 = 55,882/x
  3. Step 3: Cross multiply
    95,626x = 131,963.88 × 55,882
  4. Step 4: Simplify right side
    95,626x = 7,374,405,542.16
  5. Step 5: Solve for x
    x = 7,374,405,542.16/95,626
  6. Step 6: Final answer
    x = 77,117.16

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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.