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Finding the Fourth Proportional to 186,063.92, 256,789.88 and 104,414.68

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Solution

The fourth proportional to 186,063.92, 256,789.88 and 104,414.68 is: 144,104.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,063.92 : 256,789.88 = 104,414.68 : x
  2. Step 2: Convert to fraction form
    186,063.92/256,789.88 = 104,414.68/x
  3. Step 3: Cross multiply
    186,063.92x = 256,789.88 × 104,414.68
  4. Step 4: Simplify right side
    186,063.92x = 26,812,633,147.44
  5. Step 5: Solve for x
    x = 26,812,633,147.44/186,063.92
  6. Step 6: Final answer
    x = 144,104.42

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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.