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Finding the Fourth Proportional to 227,003.75, 340,387.38 and 84,732.01

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Solution

The fourth proportional to 227,003.75, 340,387.38 and 84,732.01 is: 127,053.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,003.75 : 340,387.38 = 84,732.01 : x
  2. Step 2: Convert to fraction form
    227,003.75/340,387.38 = 84,732.01/x
  3. Step 3: Cross multiply
    227,003.75x = 340,387.38 × 84,732.01
  4. Step 4: Simplify right side
    227,003.75x = 28,841,706,886.03
  5. Step 5: Solve for x
    x = 28,841,706,886.03/227,003.75
  6. Step 6: Final answer
    x = 127,053.88

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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.