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Finding the Fourth Proportional to 101,067.90, 151,601.85 and 63,670.20

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Solution

The fourth proportional to 101,067.90, 151,601.85 and 63,670.20 is: 95,505.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,067.90 : 151,601.85 = 63,670.20 : x
  2. Step 2: Convert to fraction form
    101,067.90/151,601.85 = 63,670.20/x
  3. Step 3: Cross multiply
    101,067.90x = 151,601.85 × 63,670.20
  4. Step 4: Simplify right side
    101,067.90x = 9,652,520,109.87
  5. Step 5: Solve for x
    x = 9,652,520,109.87/101,067.90
  6. Step 6: Final answer
    x = 95,505.30

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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.