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Finding the Fourth Proportional to 234,299.78, 323,333.23 and 126,869.48

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Solution

The fourth proportional to 234,299.78, 323,333.23 and 126,869.48 is: 175,079.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,299.78 : 323,333.23 = 126,869.48 : x
  2. Step 2: Convert to fraction form
    234,299.78/323,333.23 = 126,869.48/x
  3. Step 3: Cross multiply
    234,299.78x = 323,333.23 × 126,869.48
  4. Step 4: Simplify right side
    234,299.78x = 41,021,118,756.82
  5. Step 5: Solve for x
    x = 41,021,118,756.82/234,299.78
  6. Step 6: Final answer
    x = 175,079.63

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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.