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Finding the Fourth Proportional to 125,682.66, 188,524.04 and 36,936.18

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Solution

The fourth proportional to 125,682.66, 188,524.04 and 36,936.18 is: 55,404.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,682.66 : 188,524.04 = 36,936.18 : x
  2. Step 2: Convert to fraction form
    125,682.66/188,524.04 = 36,936.18/x
  3. Step 3: Cross multiply
    125,682.66x = 188,524.04 × 36,936.18
  4. Step 4: Simplify right side
    125,682.66x = 6,963,357,691.09
  5. Step 5: Solve for x
    x = 6,963,357,691.09/125,682.66
  6. Step 6: Final answer
    x = 55,404.28

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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.