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Finding the Fourth Proportional to 125,873.95, 188,765.95 and 41,618.56

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Solution

The fourth proportional to 125,873.95, 188,765.95 and 41,618.56 is: 62,412.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,873.95 : 188,765.95 = 41,618.56 : x
  2. Step 2: Convert to fraction form
    125,873.95/188,765.95 = 41,618.56/x
  3. Step 3: Cross multiply
    125,873.95x = 188,765.95 × 41,618.56
  4. Step 4: Simplify right side
    125,873.95x = 7,856,167,016.03
  5. Step 5: Solve for x
    x = 7,856,167,016.03/125,873.95
  6. Step 6: Final answer
    x = 62,412.97

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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.