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Finding the Fourth Proportional to 132,891.56, 199,303.38 and 39,375.44

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Solution

The fourth proportional to 132,891.56, 199,303.38 and 39,375.44 is: 59,053.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,891.56 : 199,303.38 = 39,375.44 : x
  2. Step 2: Convert to fraction form
    132,891.56/199,303.38 = 39,375.44/x
  3. Step 3: Cross multiply
    132,891.56x = 199,303.38 × 39,375.44
  4. Step 4: Simplify right side
    132,891.56x = 7,847,658,280.99
  5. Step 5: Solve for x
    x = 7,847,658,280.99/132,891.56
  6. Step 6: Final answer
    x = 59,053.10

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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.