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Finding the Fourth Proportional to 234,151.68, 323,129.34 and 126,722.49

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Solution

The fourth proportional to 234,151.68, 323,129.34 and 126,722.49 is: 174,877.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,151.68 : 323,129.34 = 126,722.49 : x
  2. Step 2: Convert to fraction form
    234,151.68/323,129.34 = 126,722.49/x
  3. Step 3: Cross multiply
    234,151.68x = 323,129.34 × 126,722.49
  4. Step 4: Simplify right side
    234,151.68x = 40,947,754,556.86
  5. Step 5: Solve for x
    x = 40,947,754,556.86/234,151.68
  6. Step 6: Final answer
    x = 174,877.05

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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.