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Finding the Fourth Proportional to 151,079.48, 226,619.16 and 71,067.68

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Solution

The fourth proportional to 151,079.48, 226,619.16 and 71,067.68 is: 106,601.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,079.48 : 226,619.16 = 71,067.68 : x
  2. Step 2: Convert to fraction form
    151,079.48/226,619.16 = 71,067.68/x
  3. Step 3: Cross multiply
    151,079.48x = 226,619.16 × 71,067.68
  4. Step 4: Simplify right side
    151,079.48x = 16,105,296,811.65
  5. Step 5: Solve for x
    x = 16,105,296,811.65/151,079.48
  6. Step 6: Final answer
    x = 106,601.49

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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.