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Finding the Fourth Proportional to 229.98, 345 and 93.06

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Solution

The fourth proportional to 229.98, 345 and 93.06 is: 139.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.98 : 345 = 93.06 : x
  2. Step 2: Convert to fraction form
    229.98/345 = 93.06/x
  3. Step 3: Cross multiply
    229.98x = 345 × 93.06
  4. Step 4: Simplify right side
    229.98x = 32,105.70
  5. Step 5: Solve for x
    x = 32,105.70/229.98
  6. Step 6: Final answer
    x = 139.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.