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Finding the Fourth Proportional to 125,297.69, 187,963.54 and 36,550.44

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Solution

The fourth proportional to 125,297.69, 187,963.54 and 36,550.44 is: 54,830.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,297.69 : 187,963.54 = 36,550.44 : x
  2. Step 2: Convert to fraction form
    125,297.69/187,963.54 = 36,550.44/x
  3. Step 3: Cross multiply
    125,297.69x = 187,963.54 × 36,550.44
  4. Step 4: Simplify right side
    125,297.69x = 6,870,149,999.58
  5. Step 5: Solve for x
    x = 6,870,149,999.58/125,297.69
  6. Step 6: Final answer
    x = 54,830.62

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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.