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Finding the Fourth Proportional to 235,423.57, 324,882.91 and 127,993.60

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Solution

The fourth proportional to 235,423.57, 324,882.91 and 127,993.60 is: 176,630.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,423.57 : 324,882.91 = 127,993.60 : x
  2. Step 2: Convert to fraction form
    235,423.57/324,882.91 = 127,993.60/x
  3. Step 3: Cross multiply
    235,423.57x = 324,882.91 × 127,993.60
  4. Step 4: Simplify right side
    235,423.57x = 41,582,933,229.38
  5. Step 5: Solve for x
    x = 41,582,933,229.38/235,423.57
  6. Step 6: Final answer
    x = 176,630.29

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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.