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Finding the Fourth Proportional to 83,167.70, 114,771.42 and 45,441.95

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Solution

The fourth proportional to 83,167.70, 114,771.42 and 45,441.95 is: 62,709.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,167.70 : 114,771.42 = 45,441.95 : x
  2. Step 2: Convert to fraction form
    83,167.70/114,771.42 = 45,441.95/x
  3. Step 3: Cross multiply
    83,167.70x = 114,771.42 × 45,441.95
  4. Step 4: Simplify right side
    83,167.70x = 5,215,436,555.21
  5. Step 5: Solve for x
    x = 5,215,436,555.21/83,167.70
  6. Step 6: Final answer
    x = 62,709.88

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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.