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Finding the Fourth Proportional to 176.67, 264.53 and 137.95

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Solution

The fourth proportional to 176.67, 264.53 and 137.95 is: 206.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.67 : 264.53 = 137.95 : x
  2. Step 2: Convert to fraction form
    176.67/264.53 = 137.95/x
  3. Step 3: Cross multiply
    176.67x = 264.53 × 137.95
  4. Step 4: Simplify right side
    176.67x = 36,490.56
  5. Step 5: Solve for x
    x = 36,490.56/176.67
  6. Step 6: Final answer
    x = 206.55

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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.