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Finding the Fourth Proportional to 264.04, 396.04 and 109.91

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Solution

The fourth proportional to 264.04, 396.04 and 109.91 is: 164.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.04 : 396.04 = 109.91 : x
  2. Step 2: Convert to fraction form
    264.04/396.04 = 109.91/x
  3. Step 3: Cross multiply
    264.04x = 396.04 × 109.91
  4. Step 4: Simplify right side
    264.04x = 43,528.76
  5. Step 5: Solve for x
    x = 43,528.76/264.04
  6. Step 6: Final answer
    x = 164.86

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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.