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Finding the Fourth Proportional to 101,452.27, 140,048.97 and 60,630.80

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Solution

The fourth proportional to 101,452.27, 140,048.97 and 60,630.80 is: 83,697.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,452.27 : 140,048.97 = 60,630.80 : x
  2. Step 2: Convert to fraction form
    101,452.27/140,048.97 = 60,630.80/x
  3. Step 3: Cross multiply
    101,452.27x = 140,048.97 × 60,630.80
  4. Step 4: Simplify right side
    101,452.27x = 8,491,280,390.03
  5. Step 5: Solve for x
    x = 8,491,280,390.03/101,452.27
  6. Step 6: Final answer
    x = 83,697.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.