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Finding the Fourth Proportional to 158,244.44, 218,382.48 and 86,624.44

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Solution

The fourth proportional to 158,244.44, 218,382.48 and 86,624.44 is: 119,544.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,244.44 : 218,382.48 = 86,624.44 : x
  2. Step 2: Convert to fraction form
    158,244.44/218,382.48 = 86,624.44/x
  3. Step 3: Cross multiply
    158,244.44x = 218,382.48 × 86,624.44
  4. Step 4: Simplify right side
    158,244.44x = 18,917,259,489.86
  5. Step 5: Solve for x
    x = 18,917,259,489.86/158,244.44
  6. Step 6: Final answer
    x = 119,544.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.