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Finding the Fourth Proportional to 185,846.60, 256,439.58 and 109,404.20

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Solution

The fourth proportional to 185,846.60, 256,439.58 and 109,404.20 is: 150,960.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,846.60 : 256,439.58 = 109,404.20 : x
  2. Step 2: Convert to fraction form
    185,846.60/256,439.58 = 109,404.20/x
  3. Step 3: Cross multiply
    185,846.60x = 256,439.58 × 109,404.20
  4. Step 4: Simplify right side
    185,846.60x = 28,055,567,098.24
  5. Step 5: Solve for x
    x = 28,055,567,098.24/185,846.60
  6. Step 6: Final answer
    x = 150,960.88

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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.