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Finding the Fourth Proportional to 185,797.36, 278,791.36 and 91,025.76

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Solution

The fourth proportional to 185,797.36, 278,791.36 and 91,025.76 is: 136,585.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,797.36 : 278,791.36 = 91,025.76 : x
  2. Step 2: Convert to fraction form
    185,797.36/278,791.36 = 91,025.76/x
  3. Step 3: Cross multiply
    185,797.36x = 278,791.36 × 91,025.76
  4. Step 4: Simplify right side
    185,797.36x = 25,377,195,425.43
  5. Step 5: Solve for x
    x = 25,377,195,425.43/185,797.36
  6. Step 6: Final answer
    x = 136,585.34

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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.