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Finding the Fourth Proportional to 250,039.52, 374,958.21 and 92,232.80

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Solution

The fourth proportional to 250,039.52, 374,958.21 and 92,232.80 is: 138,311.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,039.52 : 374,958.21 = 92,232.80 : x
  2. Step 2: Convert to fraction form
    250,039.52/374,958.21 = 92,232.80/x
  3. Step 3: Cross multiply
    250,039.52x = 374,958.21 × 92,232.80
  4. Step 4: Simplify right side
    250,039.52x = 34,583,445,591.29
  5. Step 5: Solve for x
    x = 34,583,445,591.29/250,039.52
  6. Step 6: Final answer
    x = 138,311.92

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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.