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Finding the Fourth Proportional to 269,659.90, 404,635.65 and 111,904.30

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Solution

The fourth proportional to 269,659.90, 404,635.65 and 111,904.30 is: 167,916.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,659.90 : 404,635.65 = 111,904.30 : x
  2. Step 2: Convert to fraction form
    269,659.90/404,635.65 = 111,904.30/x
  3. Step 3: Cross multiply
    269,659.90x = 404,635.65 × 111,904.30
  4. Step 4: Simplify right side
    269,659.90x = 45,280,469,168.30
  5. Step 5: Solve for x
    x = 45,280,469,168.30/269,659.90
  6. Step 6: Final answer
    x = 167,916.95

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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.