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Finding the Fourth Proportional to 185,198.74, 255,616.19 and 104,672.97

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Solution

The fourth proportional to 185,198.74, 255,616.19 and 104,672.97 is: 144,472.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,198.74 : 255,616.19 = 104,672.97 : x
  2. Step 2: Convert to fraction form
    185,198.74/255,616.19 = 104,672.97/x
  3. Step 3: Cross multiply
    185,198.74x = 255,616.19 × 104,672.97
  4. Step 4: Simplify right side
    185,198.74x = 26,756,105,787.38
  5. Step 5: Solve for x
    x = 26,756,105,787.38/185,198.74
  6. Step 6: Final answer
    x = 144,472.40

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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.