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Finding the Fourth Proportional to 234,130.56, 323,100.17 and 126,700.58

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Solution

The fourth proportional to 234,130.56, 323,100.17 and 126,700.58 is: 174,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,130.56 : 323,100.17 = 126,700.58 : x
  2. Step 2: Convert to fraction form
    234,130.56/323,100.17 = 126,700.58/x
  3. Step 3: Cross multiply
    234,130.56x = 323,100.17 × 126,700.58
  4. Step 4: Simplify right side
    234,130.56x = 40,936,979,586.47
  5. Step 5: Solve for x
    x = 40,936,979,586.47/234,130.56
  6. Step 6: Final answer
    x = 174,846.80

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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.