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Finding the Fourth Proportional to 125,578.96, 188,369.91 and 36,834.24

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Solution

The fourth proportional to 125,578.96, 188,369.91 and 36,834.24 is: 55,251.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,578.96 : 188,369.91 = 36,834.24 : x
  2. Step 2: Convert to fraction form
    125,578.96/188,369.91 = 36,834.24/x
  3. Step 3: Cross multiply
    125,578.96x = 188,369.91 × 36,834.24
  4. Step 4: Simplify right side
    125,578.96x = 6,938,462,473.72
  5. Step 5: Solve for x
    x = 6,938,462,473.72/125,578.96
  6. Step 6: Final answer
    x = 55,251.79

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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.