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Finding the Fourth Proportional to 186,793.58, 280,169.61 and 66,845.69

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Solution

The fourth proportional to 186,793.58, 280,169.61 and 66,845.69 is: 100,261.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,793.58 : 280,169.61 = 66,845.69 : x
  2. Step 2: Convert to fraction form
    186,793.58/280,169.61 = 66,845.69/x
  3. Step 3: Cross multiply
    186,793.58x = 280,169.61 × 66,845.69
  4. Step 4: Simplify right side
    186,793.58x = 18,728,130,797.94
  5. Step 5: Solve for x
    x = 18,728,130,797.94/186,793.58
  6. Step 6: Final answer
    x = 100,261.10

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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.