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Finding the Fourth Proportional to 83,853.75, 125,301.56 and 63,752.79

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Solution

The fourth proportional to 83,853.75, 125,301.56 and 63,752.79 is: 95,264.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,853.75 : 125,301.56 = 63,752.79 : x
  2. Step 2: Convert to fraction form
    83,853.75/125,301.56 = 63,752.79/x
  3. Step 3: Cross multiply
    83,853.75x = 125,301.56 × 63,752.79
  4. Step 4: Simplify right side
    83,853.75x = 7,988,324,041.35
  5. Step 5: Solve for x
    x = 7,988,324,041.35/83,853.75
  6. Step 6: Final answer
    x = 95,264.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.