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Finding the Fourth Proportional to 83,859.17, 115,733.84 and 62,601.53

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Solution

The fourth proportional to 83,859.17, 115,733.84 and 62,601.53 is: 86,396.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,859.17 : 115,733.84 = 62,601.53 : x
  2. Step 2: Convert to fraction form
    83,859.17/115,733.84 = 62,601.53/x
  3. Step 3: Cross multiply
    83,859.17x = 115,733.84 × 62,601.53
  4. Step 4: Simplify right side
    83,859.17x = 7,245,114,565.10
  5. Step 5: Solve for x
    x = 7,245,114,565.10/83,859.17
  6. Step 6: Final answer
    x = 86,396.22

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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.