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Finding the Fourth Proportional to 125,496.88, 188,274.92 and 41,257.28

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Solution

The fourth proportional to 125,496.88, 188,274.92 and 41,257.28 is: 61,895.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,496.88 : 188,274.92 = 41,257.28 : x
  2. Step 2: Convert to fraction form
    125,496.88/188,274.92 = 41,257.28/x
  3. Step 3: Cross multiply
    125,496.88x = 188,274.92 × 41,257.28
  4. Step 4: Simplify right side
    125,496.88x = 7,767,711,355.82
  5. Step 5: Solve for x
    x = 7,767,711,355.82/125,496.88
  6. Step 6: Final answer
    x = 61,895.65

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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.