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Finding the Fourth Proportional to 248,833.70, 373,250.55 and 91,067.30

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Solution

The fourth proportional to 248,833.70, 373,250.55 and 91,067.30 is: 136,600.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,833.70 : 373,250.55 = 91,067.30 : x
  2. Step 2: Convert to fraction form
    248,833.70/373,250.55 = 91,067.30/x
  3. Step 3: Cross multiply
    248,833.70x = 373,250.55 × 91,067.30
  4. Step 4: Simplify right side
    248,833.70x = 33,990,919,812.02
  5. Step 5: Solve for x
    x = 33,990,919,812.02/248,833.70
  6. Step 6: Final answer
    x = 136,600.95

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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.