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Finding the Fourth Proportional to 100,442.77, 150,661.71 and 25,562.97

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Solution

The fourth proportional to 100,442.77, 150,661.71 and 25,562.97 is: 38,343.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,442.77 : 150,661.71 = 25,562.97 : x
  2. Step 2: Convert to fraction form
    100,442.77/150,661.71 = 25,562.97/x
  3. Step 3: Cross multiply
    100,442.77x = 150,661.71 × 25,562.97
  4. Step 4: Simplify right side
    100,442.77x = 3,851,360,772.88
  5. Step 5: Solve for x
    x = 3,851,360,772.88/100,442.77
  6. Step 6: Final answer
    x = 38,343.83

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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.