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Finding the Fourth Proportional to 83,606.90, 125,381.16 and 36,834.26

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Solution

The fourth proportional to 83,606.90, 125,381.16 and 36,834.26 is: 55,238.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,606.90 : 125,381.16 = 36,834.26 : x
  2. Step 2: Convert to fraction form
    83,606.90/125,381.16 = 36,834.26/x
  3. Step 3: Cross multiply
    83,606.90x = 125,381.16 × 36,834.26
  4. Step 4: Simplify right side
    83,606.90x = 4,618,321,619.64
  5. Step 5: Solve for x
    x = 4,618,321,619.64/83,606.90
  6. Step 6: Final answer
    x = 55,238.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.