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Finding the Fourth Proportional to 227,080.80, 313,357.68 and 131,570.88

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Solution

The fourth proportional to 227,080.80, 313,357.68 and 131,570.88 is: 181,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,080.80 : 313,357.68 = 131,570.88 : x
  2. Step 2: Convert to fraction form
    227,080.80/313,357.68 = 131,570.88/x
  3. Step 3: Cross multiply
    227,080.80x = 313,357.68 × 131,570.88
  4. Step 4: Simplify right side
    227,080.80x = 41,228,745,712.36
  5. Step 5: Solve for x
    x = 41,228,745,712.36/227,080.80
  6. Step 6: Final answer
    x = 181,559.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.