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Finding the Fourth Proportional to 247,744.92, 341,887.70 and 140,335.67

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Solution

The fourth proportional to 247,744.92, 341,887.70 and 140,335.67 is: 193,663.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,744.92 : 341,887.70 = 140,335.67 : x
  2. Step 2: Convert to fraction form
    247,744.92/341,887.70 = 140,335.67/x
  3. Step 3: Cross multiply
    247,744.92x = 341,887.70 × 140,335.67
  4. Step 4: Simplify right side
    247,744.92x = 47,979,037,033.14
  5. Step 5: Solve for x
    x = 47,979,037,033.14/247,744.92
  6. Step 6: Final answer
    x = 193,663.05

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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.