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Finding the Fourth Proportional to 229.60, 343.68 and 184.04

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Solution

The fourth proportional to 229.60, 343.68 and 184.04 is: 275.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.60 : 343.68 = 184.04 : x
  2. Step 2: Convert to fraction form
    229.60/343.68 = 184.04/x
  3. Step 3: Cross multiply
    229.60x = 343.68 × 184.04
  4. Step 4: Simplify right side
    229.60x = 63,250.87
  5. Step 5: Solve for x
    x = 63,250.87/229.60
  6. Step 6: Final answer
    x = 275.48

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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.