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Finding the Fourth Proportional to 176.70, 265.50 and 108.24

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Solution

The fourth proportional to 176.70, 265.50 and 108.24 is: 162.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.70 : 265.50 = 108.24 : x
  2. Step 2: Convert to fraction form
    176.70/265.50 = 108.24/x
  3. Step 3: Cross multiply
    176.70x = 265.50 × 108.24
  4. Step 4: Simplify right side
    176.70x = 28,737.72
  5. Step 5: Solve for x
    x = 28,737.72/176.70
  6. Step 6: Final answer
    x = 162.64

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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.