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Finding the Fourth Proportional to 119,391.17, 179,048.72 and 39,414.29

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Solution

The fourth proportional to 119,391.17, 179,048.72 and 39,414.29 is: 59,108.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,391.17 : 179,048.72 = 39,414.29 : x
  2. Step 2: Convert to fraction form
    119,391.17/179,048.72 = 39,414.29/x
  3. Step 3: Cross multiply
    119,391.17x = 179,048.72 × 39,414.29
  4. Step 4: Simplify right side
    119,391.17x = 7,057,077,377.50
  5. Step 5: Solve for x
    x = 7,057,077,377.50/119,391.17
  6. Step 6: Final answer
    x = 59,108.87

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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.