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Finding the Fourth Proportional to 125,881.84, 188,777.78 and 41,626.44

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Solution

The fourth proportional to 125,881.84, 188,777.78 and 41,626.44 is: 62,424.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,881.84 : 188,777.78 = 41,626.44 : x
  2. Step 2: Convert to fraction form
    125,881.84/188,777.78 = 41,626.44/x
  3. Step 3: Cross multiply
    125,881.84x = 188,777.78 × 41,626.44
  4. Step 4: Simplify right side
    125,881.84x = 7,858,146,932.50
  5. Step 5: Solve for x
    x = 7,858,146,932.50/125,881.84
  6. Step 6: Final answer
    x = 62,424.79

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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.