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Finding the Fourth Proportional to 231,766.96, 347,668.41 and 69,648.35

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Solution

The fourth proportional to 231,766.96, 347,668.41 and 69,648.35 is: 104,477.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,766.96 : 347,668.41 = 69,648.35 : x
  2. Step 2: Convert to fraction form
    231,766.96/347,668.41 = 69,648.35/x
  3. Step 3: Cross multiply
    231,766.96x = 347,668.41 × 69,648.35
  4. Step 4: Simplify right side
    231,766.96x = 24,214,531,103.62
  5. Step 5: Solve for x
    x = 24,214,531,103.62/231,766.96
  6. Step 6: Final answer
    x = 104,477.93

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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.