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Finding the Fourth Proportional to 66,092.59, 99,104.87 and 26,639.11

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Solution

The fourth proportional to 66,092.59, 99,104.87 and 26,639.11 is: 39,944.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,092.59 : 99,104.87 = 26,639.11 : x
  2. Step 2: Convert to fraction form
    66,092.59/99,104.87 = 26,639.11/x
  3. Step 3: Cross multiply
    66,092.59x = 99,104.87 × 26,639.11
  4. Step 4: Simplify right side
    66,092.59x = 2,640,065,400.27
  5. Step 5: Solve for x
    x = 2,640,065,400.27/66,092.59
  6. Step 6: Final answer
    x = 39,944.95

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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.