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Finding the Fourth Proportional to 264.11, 364.50 and 153.64

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Solution

The fourth proportional to 264.11, 364.50 and 153.64 is: 212.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.11 : 364.50 = 153.64 : x
  2. Step 2: Convert to fraction form
    264.11/364.50 = 153.64/x
  3. Step 3: Cross multiply
    264.11x = 364.50 × 153.64
  4. Step 4: Simplify right side
    264.11x = 55,999.96
  5. Step 5: Solve for x
    x = 55,999.96/264.11
  6. Step 6: Final answer
    x = 212.03

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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.