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Finding the Fourth Proportional to 99,645.44, 149,467.95 and 40,467.24

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Solution

The fourth proportional to 99,645.44, 149,467.95 and 40,467.24 is: 60,700.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,645.44 : 149,467.95 = 40,467.24 : x
  2. Step 2: Convert to fraction form
    99,645.44/149,467.95 = 40,467.24/x
  3. Step 3: Cross multiply
    99,645.44x = 149,467.95 × 40,467.24
  4. Step 4: Simplify right side
    99,645.44x = 6,048,555,404.96
  5. Step 5: Solve for x
    x = 6,048,555,404.96/99,645.44
  6. Step 6: Final answer
    x = 60,700.78

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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.