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Finding the Fourth Proportional to 229,781.94, 344,672.75 and 69,859.19

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Solution

The fourth proportional to 229,781.94, 344,672.75 and 69,859.19 is: 104,788.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,781.94 : 344,672.75 = 69,859.19 : x
  2. Step 2: Convert to fraction form
    229,781.94/344,672.75 = 69,859.19/x
  3. Step 3: Cross multiply
    229,781.94x = 344,672.75 × 69,859.19
  4. Step 4: Simplify right side
    229,781.94x = 24,078,557,057.41
  5. Step 5: Solve for x
    x = 24,078,557,057.41/229,781.94
  6. Step 6: Final answer
    x = 104,788.73

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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.