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Finding the Fourth Proportional to 167,987.10, 251,251.65 and 150,345.30

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Solution

The fourth proportional to 167,987.10, 251,251.65 and 150,345.30 is: 224,865.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,987.10 : 251,251.65 = 150,345.30 : x
  2. Step 2: Convert to fraction form
    167,987.10/251,251.65 = 150,345.30/x
  3. Step 3: Cross multiply
    167,987.10x = 251,251.65 × 150,345.30
  4. Step 4: Simplify right side
    167,987.10x = 37,774,504,694.75
  5. Step 5: Solve for x
    x = 37,774,504,694.75/167,987.10
  6. Step 6: Final answer
    x = 224,865.51

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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.