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Finding the Fourth Proportional to 100,837.26, 151,219.95 and 33,356.97

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Solution

The fourth proportional to 100,837.26, 151,219.95 and 33,356.97 is: 50,023.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,837.26 : 151,219.95 = 33,356.97 : x
  2. Step 2: Convert to fraction form
    100,837.26/151,219.95 = 33,356.97/x
  3. Step 3: Cross multiply
    100,837.26x = 151,219.95 × 33,356.97
  4. Step 4: Simplify right side
    100,837.26x = 5,044,239,335.55
  5. Step 5: Solve for x
    x = 5,044,239,335.55/100,837.26
  6. Step 6: Final answer
    x = 50,023.57

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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.