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Finding the Fourth Proportional to 125,521.91, 188,242.87 and 41,262.57

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Solution

The fourth proportional to 125,521.91, 188,242.87 and 41,262.57 is: 61,880.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,521.91 : 188,242.87 = 41,262.57 : x
  2. Step 2: Convert to fraction form
    125,521.91/188,242.87 = 41,262.57/x
  3. Step 3: Cross multiply
    125,521.91x = 188,242.87 × 41,262.57
  4. Step 4: Simplify right side
    125,521.91x = 7,767,384,600.38
  5. Step 5: Solve for x
    x = 7,767,384,600.38/125,521.91
  6. Step 6: Final answer
    x = 61,880.71

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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.