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Finding the Fourth Proportional to 79,487.58, 119,231.39 and 29,561.16

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Solution

The fourth proportional to 79,487.58, 119,231.39 and 29,561.16 is: 44,341.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,487.58 : 119,231.39 = 29,561.16 : x
  2. Step 2: Convert to fraction form
    79,487.58/119,231.39 = 29,561.16/x
  3. Step 3: Cross multiply
    79,487.58x = 119,231.39 × 29,561.16
  4. Step 4: Simplify right side
    79,487.58x = 3,524,618,049.01
  5. Step 5: Solve for x
    x = 3,524,618,049.01/79,487.58
  6. Step 6: Final answer
    x = 44,341.75

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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.