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Finding the Fourth Proportional to 267,374.20, 401,003.70 and 117,614.20

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Solution

The fourth proportional to 267,374.20, 401,003.70 and 117,614.20 is: 176,395.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,374.20 : 401,003.70 = 117,614.20 : x
  2. Step 2: Convert to fraction form
    267,374.20/401,003.70 = 117,614.20/x
  3. Step 3: Cross multiply
    267,374.20x = 401,003.70 × 117,614.20
  4. Step 4: Simplify right side
    267,374.20x = 47,163,729,372.54
  5. Step 5: Solve for x
    x = 47,163,729,372.54/267,374.20
  6. Step 6: Final answer
    x = 176,395.96

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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.