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Finding the Fourth Proportional to 234,249.72, 323,260.76 and 126,818.76

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Solution

The fourth proportional to 234,249.72, 323,260.76 and 126,818.76 is: 175,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,249.72 : 323,260.76 = 126,818.76 : x
  2. Step 2: Convert to fraction form
    234,249.72/323,260.76 = 126,818.76/x
  3. Step 3: Cross multiply
    234,249.72x = 323,260.76 × 126,818.76
  4. Step 4: Simplify right side
    234,249.72x = 40,995,528,739.86
  5. Step 5: Solve for x
    x = 40,995,528,739.86/234,249.72
  6. Step 6: Final answer
    x = 175,007.80

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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.