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Finding the Fourth Proportional to 235,364.20, 324,876.90 and 150,481.60

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Solution

The fourth proportional to 235,364.20, 324,876.90 and 150,481.60 is: 207,712.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,364.20 : 324,876.90 = 150,481.60 : x
  2. Step 2: Convert to fraction form
    235,364.20/324,876.90 = 150,481.60/x
  3. Step 3: Cross multiply
    235,364.20x = 324,876.90 × 150,481.60
  4. Step 4: Simplify right side
    235,364.20x = 48,887,995,715.04
  5. Step 5: Solve for x
    x = 48,887,995,715.04/235,364.20
  6. Step 6: Final answer
    x = 207,712.11

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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.