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Finding the Fourth Proportional to 79,398.84, 119,111.22 and 29,479.08

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Solution

The fourth proportional to 79,398.84, 119,111.22 and 29,479.08 is: 44,223.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,398.84 : 119,111.22 = 29,479.08 : x
  2. Step 2: Convert to fraction form
    79,398.84/119,111.22 = 29,479.08/x
  3. Step 3: Cross multiply
    79,398.84x = 119,111.22 × 29,479.08
  4. Step 4: Simplify right side
    79,398.84x = 3,511,289,183.28
  5. Step 5: Solve for x
    x = 3,511,289,183.28/79,398.84
  6. Step 6: Final answer
    x = 44,223.43

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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.