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Finding the Fourth Proportional to 363,167.84, 544,754.18 and 126,515

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Solution

The fourth proportional to 363,167.84, 544,754.18 and 126,515 is: 189,773.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,167.84 : 544,754.18 = 126,515 : x
  2. Step 2: Convert to fraction form
    363,167.84/544,754.18 = 126,515/x
  3. Step 3: Cross multiply
    363,167.84x = 544,754.18 × 126,515
  4. Step 4: Simplify right side
    363,167.84x = 68,919,575,082.70
  5. Step 5: Solve for x
    x = 68,919,575,082.70/363,167.84
  6. Step 6: Final answer
    x = 189,773.34

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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.