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Finding the Fourth Proportional to 207,793.72, 286,734.63 and 127,244.08

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Solution

The fourth proportional to 207,793.72, 286,734.63 and 127,244.08 is: 175,584.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,793.72 : 286,734.63 = 127,244.08 : x
  2. Step 2: Convert to fraction form
    207,793.72/286,734.63 = 127,244.08/x
  3. Step 3: Cross multiply
    207,793.72x = 286,734.63 × 127,244.08
  4. Step 4: Simplify right side
    207,793.72x = 36,485,284,198.49
  5. Step 5: Solve for x
    x = 36,485,284,198.49/207,793.72
  6. Step 6: Final answer
    x = 175,584.15

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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.