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Finding the Fourth Proportional to 234,059.83, 323,001.72 and 126,629.91

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Solution

The fourth proportional to 234,059.83, 323,001.72 and 126,629.91 is: 174,748.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,059.83 : 323,001.72 = 126,629.91 : x
  2. Step 2: Convert to fraction form
    234,059.83/323,001.72 = 126,629.91/x
  3. Step 3: Cross multiply
    234,059.83x = 323,001.72 × 126,629.91
  4. Step 4: Simplify right side
    234,059.83x = 40,901,678,733.45
  5. Step 5: Solve for x
    x = 40,901,678,733.45/234,059.83
  6. Step 6: Final answer
    x = 174,748.82

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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.