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Finding the Fourth Proportional to 164,794.60, 247,134.30 and 85,882.60

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Solution

The fourth proportional to 164,794.60, 247,134.30 and 85,882.60 is: 128,793.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,794.60 : 247,134.30 = 85,882.60 : x
  2. Step 2: Convert to fraction form
    164,794.60/247,134.30 = 85,882.60/x
  3. Step 3: Cross multiply
    164,794.60x = 247,134.30 × 85,882.60
  4. Step 4: Simplify right side
    164,794.60x = 21,224,536,233.18
  5. Step 5: Solve for x
    x = 21,224,536,233.18/164,794.60
  6. Step 6: Final answer
    x = 128,793.88

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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.