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Finding the Fourth Proportional to 378,713.44, 567,671.39 and 125,926.01

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Solution

The fourth proportional to 378,713.44, 567,671.39 and 125,926.01 is: 188,756.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,713.44 : 567,671.39 = 125,926.01 : x
  2. Step 2: Convert to fraction form
    378,713.44/567,671.39 = 125,926.01/x
  3. Step 3: Cross multiply
    378,713.44x = 567,671.39 × 125,926.01
  4. Step 4: Simplify right side
    378,713.44x = 71,484,593,133.85
  5. Step 5: Solve for x
    x = 71,484,593,133.85/378,713.44
  6. Step 6: Final answer
    x = 188,756.42

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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.