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Finding the Fourth Proportional to 132,750.72, 199,049.40 and 43,980.30

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Solution

The fourth proportional to 132,750.72, 199,049.40 and 43,980.30 is: 65,945.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,750.72 : 199,049.40 = 43,980.30 : x
  2. Step 2: Convert to fraction form
    132,750.72/199,049.40 = 43,980.30/x
  3. Step 3: Cross multiply
    132,750.72x = 199,049.40 × 43,980.30
  4. Step 4: Simplify right side
    132,750.72x = 8,754,252,326.82
  5. Step 5: Solve for x
    x = 8,754,252,326.82/132,750.72
  6. Step 6: Final answer
    x = 65,945.05

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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.