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Finding the Fourth Proportional to 100,064.46, 150,096.68 and 47,445.24

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Solution

The fourth proportional to 100,064.46, 150,096.68 and 47,445.24 is: 71,167.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,064.46 : 150,096.68 = 47,445.24 : x
  2. Step 2: Convert to fraction form
    100,064.46/150,096.68 = 47,445.24/x
  3. Step 3: Cross multiply
    100,064.46x = 150,096.68 × 47,445.24
  4. Step 4: Simplify right side
    100,064.46x = 7,121,372,768.58
  5. Step 5: Solve for x
    x = 7,121,372,768.58/100,064.46
  6. Step 6: Final answer
    x = 71,167.85

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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.