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Finding the Fourth Proportional to 125,616.48, 188,376.48 and 50,710.56

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Solution

The fourth proportional to 125,616.48, 188,376.48 and 50,710.56 is: 76,046.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,616.48 : 188,376.48 = 50,710.56 : x
  2. Step 2: Convert to fraction form
    125,616.48/188,376.48 = 50,710.56/x
  3. Step 3: Cross multiply
    125,616.48x = 188,376.48 × 50,710.56
  4. Step 4: Simplify right side
    125,616.48x = 9,552,676,791.63
  5. Step 5: Solve for x
    x = 9,552,676,791.63/125,616.48
  6. Step 6: Final answer
    x = 76,046.37

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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.