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Finding the Fourth Proportional to 159,131.00, 218,255.36 and 141,194.88

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Solution

The fourth proportional to 159,131.00, 218,255.36 and 141,194.88 is: 193,655.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,131.00 : 218,255.36 = 141,194.88 : x
  2. Step 2: Convert to fraction form
    159,131.00/218,255.36 = 141,194.88/x
  3. Step 3: Cross multiply
    159,131.00x = 218,255.36 × 141,194.88
  4. Step 4: Simplify right side
    159,131.00x = 30,816,538,658.58
  5. Step 5: Solve for x
    x = 30,816,538,658.58/159,131.00
  6. Step 6: Final answer
    x = 193,655.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.