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Finding the Fourth Proportional to 79,331.65, 119,028.59 and 34,927.24

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Solution

The fourth proportional to 79,331.65, 119,028.59 and 34,927.24 is: 52,404.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,331.65 : 119,028.59 = 34,927.24 : x
  2. Step 2: Convert to fraction form
    79,331.65/119,028.59 = 34,927.24/x
  3. Step 3: Cross multiply
    79,331.65x = 119,028.59 × 34,927.24
  4. Step 4: Simplify right side
    79,331.65x = 4,157,340,129.79
  5. Step 5: Solve for x
    x = 4,157,340,129.79/79,331.65
  6. Step 6: Final answer
    x = 52,404.56

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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.