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Finding the Fourth Proportional to 132,855.66, 199,115.01 and 131,449.50

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Solution

The fourth proportional to 132,855.66, 199,115.01 and 131,449.50 is: 197,007.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,855.66 : 199,115.01 = 131,449.50 : x
  2. Step 2: Convert to fraction form
    132,855.66/199,115.01 = 131,449.50/x
  3. Step 3: Cross multiply
    132,855.66x = 199,115.01 × 131,449.50
  4. Step 4: Simplify right side
    132,855.66x = 26,173,568,507.00
  5. Step 5: Solve for x
    x = 26,173,568,507.00/132,855.66
  6. Step 6: Final answer
    x = 197,007.55

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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.