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Finding the Fourth Proportional to 176.05, 264.00 and 73.28

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Solution

The fourth proportional to 176.05, 264.00 and 73.28 is: 109.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.05 : 264.00 = 73.28 : x
  2. Step 2: Convert to fraction form
    176.05/264.00 = 73.28/x
  3. Step 3: Cross multiply
    176.05x = 264.00 × 73.28
  4. Step 4: Simplify right side
    176.05x = 19,344.23
  5. Step 5: Solve for x
    x = 19,344.23/176.05
  6. Step 6: Final answer
    x = 109.88

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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.