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Finding the Fourth Proportional to 229.93, 344.58 and 178.63

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Solution

The fourth proportional to 229.93, 344.58 and 178.63 is: 267.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.93 : 344.58 = 178.63 : x
  2. Step 2: Convert to fraction form
    229.93/344.58 = 178.63/x
  3. Step 3: Cross multiply
    229.93x = 344.58 × 178.63
  4. Step 4: Simplify right side
    229.93x = 61,552.33
  5. Step 5: Solve for x
    x = 61,552.33/229.93
  6. Step 6: Final answer
    x = 267.70

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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.