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Finding the Fourth Proportional to 186,251.60, 279,452.22 and 85,097.60

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Solution

The fourth proportional to 186,251.60, 279,452.22 and 85,097.60 is: 127,680.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,251.60 : 279,452.22 = 85,097.60 : x
  2. Step 2: Convert to fraction form
    186,251.60/279,452.22 = 85,097.60/x
  3. Step 3: Cross multiply
    186,251.60x = 279,452.22 × 85,097.60
  4. Step 4: Simplify right side
    186,251.60x = 23,780,713,236.67
  5. Step 5: Solve for x
    x = 23,780,713,236.67/186,251.60
  6. Step 6: Final answer
    x = 127,680.58

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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.