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Finding the Fourth Proportional to 264.12, 395.70 and 161.52

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Solution

The fourth proportional to 264.12, 395.70 and 161.52 is: 241.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.12 : 395.70 = 161.52 : x
  2. Step 2: Convert to fraction form
    264.12/395.70 = 161.52/x
  3. Step 3: Cross multiply
    264.12x = 395.70 × 161.52
  4. Step 4: Simplify right side
    264.12x = 63,913.46
  5. Step 5: Solve for x
    x = 63,913.46/264.12
  6. Step 6: Final answer
    x = 241.99

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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.