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Finding the Fourth Proportional to 376,039.68, 564,061.44 and 126,723.84

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Solution

The fourth proportional to 376,039.68, 564,061.44 and 126,723.84 is: 190,086.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,039.68 : 564,061.44 = 126,723.84 : x
  2. Step 2: Convert to fraction form
    376,039.68/564,061.44 = 126,723.84/x
  3. Step 3: Cross multiply
    376,039.68x = 564,061.44 × 126,723.84
  4. Step 4: Simplify right side
    376,039.68x = 71,480,031,672.73
  5. Step 5: Solve for x
    x = 71,480,031,672.73/376,039.68
  6. Step 6: Final answer
    x = 190,086.41

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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.