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Finding the Fourth Proportional to 100,229.58, 150,331.41 and 47,672.46

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Solution

The fourth proportional to 100,229.58, 150,331.41 and 47,672.46 is: 71,502.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,229.58 : 150,331.41 = 47,672.46 : x
  2. Step 2: Convert to fraction form
    100,229.58/150,331.41 = 47,672.46/x
  3. Step 3: Cross multiply
    100,229.58x = 150,331.41 × 47,672.46
  4. Step 4: Simplify right side
    100,229.58x = 7,166,668,129.97
  5. Step 5: Solve for x
    x = 7,166,668,129.97/100,229.58
  6. Step 6: Final answer
    x = 71,502.53

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1.5x scale

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.