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Finding the Fourth Proportional to 264.97, 365.65 and 160.15

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Solution

The fourth proportional to 264.97, 365.65 and 160.15 is: 220.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.97 : 365.65 = 160.15 : x
  2. Step 2: Convert to fraction form
    264.97/365.65 = 160.15/x
  3. Step 3: Cross multiply
    264.97x = 365.65 × 160.15
  4. Step 4: Simplify right side
    264.97x = 58,557.02
  5. Step 5: Solve for x
    x = 58,557.02/264.97
  6. Step 6: Final answer
    x = 220.99

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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.