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Finding the Fourth Proportional to 151,012.80, 226,324.80 and 115,777.80

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Solution

The fourth proportional to 151,012.80, 226,324.80 and 115,777.80 is: 173,517.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,012.80 : 226,324.80 = 115,777.80 : x
  2. Step 2: Convert to fraction form
    151,012.80/226,324.80 = 115,777.80/x
  3. Step 3: Cross multiply
    151,012.80x = 226,324.80 × 115,777.80
  4. Step 4: Simplify right side
    151,012.80x = 26,203,387,429.44
  5. Step 5: Solve for x
    x = 26,203,387,429.44/151,012.80
  6. Step 6: Final answer
    x = 173,517.66

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1.5x scale

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.