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Finding the Fourth Proportional to 100,452.48, 150,737.04 and 45,048.48

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Solution

The fourth proportional to 100,452.48, 150,737.04 and 45,048.48 is: 67,598.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,452.48 : 150,737.04 = 45,048.48 : x
  2. Step 2: Convert to fraction form
    100,452.48/150,737.04 = 45,048.48/x
  3. Step 3: Cross multiply
    100,452.48x = 150,737.04 × 45,048.48
  4. Step 4: Simplify right side
    100,452.48x = 6,790,474,531.70
  5. Step 5: Solve for x
    x = 6,790,474,531.70/100,452.48
  6. Step 6: Final answer
    x = 67,598.87

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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.