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Finding the Fourth Proportional to 227,469.40, 341,191.79 and 69,698.31

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Solution

The fourth proportional to 227,469.40, 341,191.79 and 69,698.31 is: 104,543.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,469.40 : 341,191.79 = 69,698.31 : x
  2. Step 2: Convert to fraction form
    227,469.40/341,191.79 = 69,698.31/x
  3. Step 3: Cross multiply
    227,469.40x = 341,191.79 × 69,698.31
  4. Step 4: Simplify right side
    227,469.40x = 23,780,489,094.42
  5. Step 5: Solve for x
    x = 23,780,489,094.42/227,469.40
  6. Step 6: Final answer
    x = 104,543.69

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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.