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Finding the Fourth Proportional to 207,360.88, 286,067.88 and 126,791.76

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Solution

The fourth proportional to 207,360.88, 286,067.88 and 126,791.76 is: 174,917.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,360.88 : 286,067.88 = 126,791.76 : x
  2. Step 2: Convert to fraction form
    207,360.88/286,067.88 = 126,791.76/x
  3. Step 3: Cross multiply
    207,360.88x = 286,067.88 × 126,791.76
  4. Step 4: Simplify right side
    207,360.88x = 36,271,049,984.67
  5. Step 5: Solve for x
    x = 36,271,049,984.67/207,360.88
  6. Step 6: Final answer
    x = 174,917.52

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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.