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Finding the Fourth Proportional to 176.95, 265.44 and 55.22

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Solution

The fourth proportional to 176.95, 265.44 and 55.22 is: 82.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.95 : 265.44 = 55.22 : x
  2. Step 2: Convert to fraction form
    176.95/265.44 = 55.22/x
  3. Step 3: Cross multiply
    176.95x = 265.44 × 55.22
  4. Step 4: Simplify right side
    176.95x = 14,655.99
  5. Step 5: Solve for x
    x = 14,655.99/176.95
  6. Step 6: Final answer
    x = 82.83

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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.