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Finding the Fourth Proportional to 158,843.64, 238,195.48 and 74,627.74

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Solution

The fourth proportional to 158,843.64, 238,195.48 and 74,627.74 is: 111,908.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,843.64 : 238,195.48 = 74,627.74 : x
  2. Step 2: Convert to fraction form
    158,843.64/238,195.48 = 74,627.74/x
  3. Step 3: Cross multiply
    158,843.64x = 238,195.48 × 74,627.74
  4. Step 4: Simplify right side
    158,843.64x = 17,775,990,350.62
  5. Step 5: Solve for x
    x = 17,775,990,350.62/158,843.64
  6. Step 6: Final answer
    x = 111,908.73

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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.