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Finding the Fourth Proportional to 344,872.85, 517,331.12 and 108,224.87

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Solution

The fourth proportional to 344,872.85, 517,331.12 and 108,224.87 is: 162,344.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,872.85 : 517,331.12 = 108,224.87 : x
  2. Step 2: Convert to fraction form
    344,872.85/517,331.12 = 108,224.87/x
  3. Step 3: Cross multiply
    344,872.85x = 517,331.12 × 108,224.87
  4. Step 4: Simplify right side
    344,872.85x = 55,988,090,081.17
  5. Step 5: Solve for x
    x = 55,988,090,081.17/344,872.85
  6. Step 6: Final answer
    x = 162,344.15

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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.