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Finding the Fourth Proportional to 264.64, 397.02 and 93.64

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Solution

The fourth proportional to 264.64, 397.02 and 93.64 is: 140.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.64 : 397.02 = 93.64 : x
  2. Step 2: Convert to fraction form
    264.64/397.02 = 93.64/x
  3. Step 3: Cross multiply
    264.64x = 397.02 × 93.64
  4. Step 4: Simplify right side
    264.64x = 37,176.95
  5. Step 5: Solve for x
    x = 37,176.95/264.64
  6. Step 6: Final answer
    x = 140.48

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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.