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Finding the Fourth Proportional to 83,299.89, 124,894.17 and 45,877.44

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Solution

The fourth proportional to 83,299.89, 124,894.17 and 45,877.44 is: 68,785.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,299.89 : 124,894.17 = 45,877.44 : x
  2. Step 2: Convert to fraction form
    83,299.89/124,894.17 = 45,877.44/x
  3. Step 3: Cross multiply
    83,299.89x = 124,894.17 × 45,877.44
  4. Step 4: Simplify right side
    83,299.89x = 5,729,824,790.52
  5. Step 5: Solve for x
    x = 5,729,824,790.52/83,299.89
  6. Step 6: Final answer
    x = 68,785.50

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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.