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Finding the Fourth Proportional to 166.01, 229.05 and 107.01

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Solution

The fourth proportional to 166.01, 229.05 and 107.01 is: 147.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.01 : 229.05 = 107.01 : x
  2. Step 2: Convert to fraction form
    166.01/229.05 = 107.01/x
  3. Step 3: Cross multiply
    166.01x = 229.05 × 107.01
  4. Step 4: Simplify right side
    166.01x = 24,510.64
  5. Step 5: Solve for x
    x = 24,510.64/166.01
  6. Step 6: Final answer
    x = 147.65

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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.