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Finding the Fourth Proportional to 66,724.13, 100,129.94 and 24,604.94

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Solution

The fourth proportional to 66,724.13, 100,129.94 and 24,604.94 is: 36,923.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,724.13 : 100,129.94 = 24,604.94 : x
  2. Step 2: Convert to fraction form
    66,724.13/100,129.94 = 24,604.94/x
  3. Step 3: Cross multiply
    66,724.13x = 100,129.94 × 24,604.94
  4. Step 4: Simplify right side
    66,724.13x = 2,463,691,385.47
  5. Step 5: Solve for x
    x = 2,463,691,385.47/66,724.13
  6. Step 6: Final answer
    x = 36,923.54

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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.