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Finding the Fourth Proportional to 229.97, 344.99 and 93.03

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Solution

The fourth proportional to 229.97, 344.99 and 93.03 is: 139.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.97 : 344.99 = 93.03 : x
  2. Step 2: Convert to fraction form
    229.97/344.99 = 93.03/x
  3. Step 3: Cross multiply
    229.97x = 344.99 × 93.03
  4. Step 4: Simplify right side
    229.97x = 32,093.36
  5. Step 5: Solve for x
    x = 32,093.36/229.97
  6. Step 6: Final answer
    x = 139.55

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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.