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Finding the Fourth Proportional to 227,114.28, 340,721.64 and 69,354.36

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Solution

The fourth proportional to 227,114.28, 340,721.64 and 69,354.36 is: 104,046.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,114.28 : 340,721.64 = 69,354.36 : x
  2. Step 2: Convert to fraction form
    227,114.28/340,721.64 = 69,354.36/x
  3. Step 3: Cross multiply
    227,114.28x = 340,721.64 × 69,354.36
  4. Step 4: Simplify right side
    227,114.28x = 23,630,531,280.35
  5. Step 5: Solve for x
    x = 23,630,531,280.35/227,114.28
  6. Step 6: Final answer
    x = 104,046.88

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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.