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Finding the Fourth Proportional to 88,916.87, 122,649.19 and 62,049.58

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Solution

The fourth proportional to 88,916.87, 122,649.19 and 62,049.58 is: 85,589.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,916.87 : 122,649.19 = 62,049.58 : x
  2. Step 2: Convert to fraction form
    88,916.87/122,649.19 = 62,049.58/x
  3. Step 3: Cross multiply
    88,916.87x = 122,649.19 × 62,049.58
  4. Step 4: Simplify right side
    88,916.87x = 7,610,330,265.09
  5. Step 5: Solve for x
    x = 7,610,330,265.09/88,916.87
  6. Step 6: Final answer
    x = 85,589.27

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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.