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Finding the Fourth Proportional to 218,360.82, 327,016.34 and 124,582.26

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Solution

The fourth proportional to 218,360.82, 327,016.34 and 124,582.26 is: 186,573.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,360.82 : 327,016.34 = 124,582.26 : x
  2. Step 2: Convert to fraction form
    218,360.82/327,016.34 = 124,582.26/x
  3. Step 3: Cross multiply
    218,360.82x = 327,016.34 × 124,582.26
  4. Step 4: Simplify right side
    218,360.82x = 40,740,434,694.13
  5. Step 5: Solve for x
    x = 40,740,434,694.13/218,360.82
  6. Step 6: Final answer
    x = 186,573.92

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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.