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Finding the Fourth Proportional to 234,149.80, 323,127.11 and 126,719.93

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Solution

The fourth proportional to 234,149.80, 323,127.11 and 126,719.93 is: 174,873.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,149.80 : 323,127.11 = 126,719.93 : x
  2. Step 2: Convert to fraction form
    234,149.80/323,127.11 = 126,719.93/x
  3. Step 3: Cross multiply
    234,149.80x = 323,127.11 × 126,719.93
  4. Step 4: Simplify right side
    234,149.80x = 40,946,643,461.47
  5. Step 5: Solve for x
    x = 40,946,643,461.47/234,149.80
  6. Step 6: Final answer
    x = 174,873.71

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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.