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Finding the Fourth Proportional to 83,405.92, 125,093.92 and 41,272.44

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Solution

The fourth proportional to 83,405.92, 125,093.92 and 41,272.44 is: 61,901.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,405.92 : 125,093.92 = 41,272.44 : x
  2. Step 2: Convert to fraction form
    83,405.92/125,093.92 = 41,272.44/x
  3. Step 3: Cross multiply
    83,405.92x = 125,093.92 × 41,272.44
  4. Step 4: Simplify right side
    83,405.92x = 5,162,931,307.56
  5. Step 5: Solve for x
    x = 5,162,931,307.56/83,405.92
  6. Step 6: Final answer
    x = 61,901.26

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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.