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Finding the Fourth Proportional to 83,101.10, 124,566.60 and 40,916.30

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Solution

The fourth proportional to 83,101.10, 124,566.60 and 40,916.30 is: 61,332.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,101.10 : 124,566.60 = 40,916.30 : x
  2. Step 2: Convert to fraction form
    83,101.10/124,566.60 = 40,916.30/x
  3. Step 3: Cross multiply
    83,101.10x = 124,566.60 × 40,916.30
  4. Step 4: Simplify right side
    83,101.10x = 5,096,804,375.58
  5. Step 5: Solve for x
    x = 5,096,804,375.58/83,101.10
  6. Step 6: Final answer
    x = 61,332.57

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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.