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Finding the Fourth Proportional to 264.05, 364.30 and 159.12

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Solution

The fourth proportional to 264.05, 364.30 and 159.12 is: 219.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.05 : 364.30 = 159.12 : x
  2. Step 2: Convert to fraction form
    264.05/364.30 = 159.12/x
  3. Step 3: Cross multiply
    264.05x = 364.30 × 159.12
  4. Step 4: Simplify right side
    264.05x = 57,967.02
  5. Step 5: Solve for x
    x = 57,967.02/264.05
  6. Step 6: Final answer
    x = 219.53

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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.