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Finding the Fourth Proportional to 264.02, 396.02 and 101.60

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Solution

The fourth proportional to 264.02, 396.02 and 101.60 is: 152.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.02 : 396.02 = 101.60 : x
  2. Step 2: Convert to fraction form
    264.02/396.02 = 101.60/x
  3. Step 3: Cross multiply
    264.02x = 396.02 × 101.60
  4. Step 4: Simplify right side
    264.02x = 40,235.63
  5. Step 5: Solve for x
    x = 40,235.63/264.02
  6. Step 6: Final answer
    x = 152.40

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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.