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Finding the Fourth Proportional to 234,057.34, 323,001.47 and 126,629.68

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Solution

The fourth proportional to 234,057.34, 323,001.47 and 126,629.68 is: 174,750.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,057.34 : 323,001.47 = 126,629.68 : x
  2. Step 2: Convert to fraction form
    234,057.34/323,001.47 = 126,629.68/x
  3. Step 3: Cross multiply
    234,057.34x = 323,001.47 × 126,629.68
  4. Step 4: Simplify right side
    234,057.34x = 40,901,572,188.04
  5. Step 5: Solve for x
    x = 40,901,572,188.04/234,057.34
  6. Step 6: Final answer
    x = 174,750.22

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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.