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Finding the Fourth Proportional to 229.03, 316.10 and 167.06

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Solution

The fourth proportional to 229.03, 316.10 and 167.06 is: 230.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.03 : 316.10 = 167.06 : x
  2. Step 2: Convert to fraction form
    229.03/316.10 = 167.06/x
  3. Step 3: Cross multiply
    229.03x = 316.10 × 167.06
  4. Step 4: Simplify right side
    229.03x = 52,808.87
  5. Step 5: Solve for x
    x = 52,808.87/229.03
  6. Step 6: Final answer
    x = 230.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.