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Finding the Fourth Proportional to 125,380.90, 188,083.50 and 36,632.44

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Solution

The fourth proportional to 125,380.90, 188,083.50 and 36,632.44 is: 54,952.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,380.90 : 188,083.50 = 36,632.44 : x
  2. Step 2: Convert to fraction form
    125,380.90/188,083.50 = 36,632.44/x
  3. Step 3: Cross multiply
    125,380.90x = 188,083.50 × 36,632.44
  4. Step 4: Simplify right side
    125,380.90x = 6,889,957,528.74
  5. Step 5: Solve for x
    x = 6,889,957,528.74/125,380.90
  6. Step 6: Final answer
    x = 54,952.21

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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.