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Finding the Fourth Proportional to 125,683.29, 188,524.97 and 36,936.79

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Solution

The fourth proportional to 125,683.29, 188,524.97 and 36,936.79 is: 55,405.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,683.29 : 188,524.97 = 36,936.79 : x
  2. Step 2: Convert to fraction form
    125,683.29/188,524.97 = 36,936.79/x
  3. Step 3: Cross multiply
    125,683.29x = 188,524.97 × 36,936.79
  4. Step 4: Simplify right side
    125,683.29x = 6,963,507,226.65
  5. Step 5: Solve for x
    x = 6,963,507,226.65/125,683.29
  6. Step 6: Final answer
    x = 55,405.20

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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.