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Finding the Fourth Proportional to 176.34, 264.84 and 108

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Solution

The fourth proportional to 176.34, 264.84 and 108 is: 162.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.34 : 264.84 = 108 : x
  2. Step 2: Convert to fraction form
    176.34/264.84 = 108/x
  3. Step 3: Cross multiply
    176.34x = 264.84 × 108
  4. Step 4: Simplify right side
    176.34x = 28,602.72
  5. Step 5: Solve for x
    x = 28,602.72/176.34
  6. Step 6: Final answer
    x = 162.20

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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.