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Finding the Fourth Proportional to 61,247.28, 91,754.04 and 41,491.92

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Solution

The fourth proportional to 61,247.28, 91,754.04 and 41,491.92 is: 62,158.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,247.28 : 91,754.04 = 41,491.92 : x
  2. Step 2: Convert to fraction form
    61,247.28/91,754.04 = 41,491.92/x
  3. Step 3: Cross multiply
    61,247.28x = 91,754.04 × 41,491.92
  4. Step 4: Simplify right side
    61,247.28x = 3,807,051,287.36
  5. Step 5: Solve for x
    x = 3,807,051,287.36/61,247.28
  6. Step 6: Final answer
    x = 62,158.70

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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.