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Finding the Fourth Proportional to 227,757.94, 341,844.10 and 121,231.45

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Solution

The fourth proportional to 227,757.94, 341,844.10 and 121,231.45 is: 181,957.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,757.94 : 341,844.10 = 121,231.45 : x
  2. Step 2: Convert to fraction form
    227,757.94/341,844.10 = 121,231.45/x
  3. Step 3: Cross multiply
    227,757.94x = 341,844.10 × 121,231.45
  4. Step 4: Simplify right side
    227,757.94x = 41,442,256,041.17
  5. Step 5: Solve for x
    x = 41,442,256,041.17/227,757.94
  6. Step 6: Final answer
    x = 181,957.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.