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Finding the Fourth Proportional to 66,195.60, 99,283.68 and 26,751.84

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Solution

The fourth proportional to 66,195.60, 99,283.68 and 26,751.84 is: 40,123.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,195.60 : 99,283.68 = 26,751.84 : x
  2. Step 2: Convert to fraction form
    66,195.60/99,283.68 = 26,751.84/x
  3. Step 3: Cross multiply
    66,195.60x = 99,283.68 × 26,751.84
  4. Step 4: Simplify right side
    66,195.60x = 2,656,021,121.97
  5. Step 5: Solve for x
    x = 2,656,021,121.97/66,195.60
  6. Step 6: Final answer
    x = 40,123.83

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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.