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Finding the Fourth Proportional to 91,566.60, 137,307.60 and 41,644.68

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Solution

The fourth proportional to 91,566.60, 137,307.60 and 41,644.68 is: 62,447.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,566.60 : 137,307.60 = 41,644.68 : x
  2. Step 2: Convert to fraction form
    91,566.60/137,307.60 = 41,644.68/x
  3. Step 3: Cross multiply
    91,566.60x = 137,307.60 × 41,644.68
  4. Step 4: Simplify right side
    91,566.60x = 5,718,131,063.57
  5. Step 5: Solve for x
    x = 5,718,131,063.57/91,566.60
  6. Step 6: Final answer
    x = 62,447.78

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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.