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Finding the Fourth Proportional to 125,674.78, 188,542.20 and 36,926.32

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Solution

The fourth proportional to 125,674.78, 188,542.20 and 36,926.32 is: 55,398.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,674.78 : 188,542.20 = 36,926.32 : x
  2. Step 2: Convert to fraction form
    125,674.78/188,542.20 = 36,926.32/x
  3. Step 3: Cross multiply
    125,674.78x = 188,542.20 × 36,926.32
  4. Step 4: Simplify right side
    125,674.78x = 6,962,169,610.70
  5. Step 5: Solve for x
    x = 6,962,169,610.70/125,674.78
  6. Step 6: Final answer
    x = 55,398.30

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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.