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Finding the Fourth Proportional to 101,325, 151,987.50 and 27,453

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Solution

The fourth proportional to 101,325, 151,987.50 and 27,453 is: 41,179.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,325 : 151,987.50 = 27,453 : x
  2. Step 2: Convert to fraction form
    101,325/151,987.50 = 27,453/x
  3. Step 3: Cross multiply
    101,325x = 151,987.50 × 27,453
  4. Step 4: Simplify right side
    101,325x = 4,172,512,837.50
  5. Step 5: Solve for x
    x = 4,172,512,837.50/101,325
  6. Step 6: Final answer
    x = 41,179.50

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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.