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Finding the Fourth Proportional to 253,372.71, 380,118.17 and 73,461.88

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Solution

The fourth proportional to 253,372.71, 380,118.17 and 73,461.88 is: 110,209.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,372.71 : 380,118.17 = 73,461.88 : x
  2. Step 2: Convert to fraction form
    253,372.71/380,118.17 = 73,461.88/x
  3. Step 3: Cross multiply
    253,372.71x = 380,118.17 × 73,461.88
  4. Step 4: Simplify right side
    253,372.71x = 27,924,195,023.05
  5. Step 5: Solve for x
    x = 27,924,195,023.05/253,372.71
  6. Step 6: Final answer
    x = 110,209.95

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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.