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Finding the Fourth Proportional to 264.64, 365.24 and 148.20

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Solution

The fourth proportional to 264.64, 365.24 and 148.20 is: 204.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.64 : 365.24 = 148.20 : x
  2. Step 2: Convert to fraction form
    264.64/365.24 = 148.20/x
  3. Step 3: Cross multiply
    264.64x = 365.24 × 148.20
  4. Step 4: Simplify right side
    264.64x = 54,128.57
  5. Step 5: Solve for x
    x = 54,128.57/264.64
  6. Step 6: Final answer
    x = 204.54

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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.