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Finding the Fourth Proportional to 176.19, 264.24 and 52.79

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Solution

The fourth proportional to 176.19, 264.24 and 52.79 is: 79.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.19 : 264.24 = 52.79 : x
  2. Step 2: Convert to fraction form
    176.19/264.24 = 52.79/x
  3. Step 3: Cross multiply
    176.19x = 264.24 × 52.79
  4. Step 4: Simplify right side
    176.19x = 13,949.39
  5. Step 5: Solve for x
    x = 13,949.39/176.19
  6. Step 6: Final answer
    x = 79.17

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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.