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Finding the Fourth Proportional to 100,391.52, 150,562.02 and 41,243.52

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Solution

The fourth proportional to 100,391.52, 150,562.02 and 41,243.52 is: 61,854.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,391.52 : 150,562.02 = 41,243.52 : x
  2. Step 2: Convert to fraction form
    100,391.52/150,562.02 = 41,243.52/x
  3. Step 3: Cross multiply
    100,391.52x = 150,562.02 × 41,243.52
  4. Step 4: Simplify right side
    100,391.52x = 6,209,707,683.11
  5. Step 5: Solve for x
    x = 6,209,707,683.11/100,391.52
  6. Step 6: Final answer
    x = 61,854.90

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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.