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Finding the Fourth Proportional to 177.92, 266.82 and 117.36

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Solution

The fourth proportional to 177.92, 266.82 and 117.36 is: 176.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.92 : 266.82 = 117.36 : x
  2. Step 2: Convert to fraction form
    177.92/266.82 = 117.36/x
  3. Step 3: Cross multiply
    177.92x = 266.82 × 117.36
  4. Step 4: Simplify right side
    177.92x = 31,314.00
  5. Step 5: Solve for x
    x = 31,314.00/177.92
  6. Step 6: Final answer
    x = 176.01

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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.