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Finding the Fourth Proportional to 265.12, 366 and 177.92

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Solution

The fourth proportional to 265.12, 366 and 177.92 is: 245.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.12 : 366 = 177.92 : x
  2. Step 2: Convert to fraction form
    265.12/366 = 177.92/x
  3. Step 3: Cross multiply
    265.12x = 366 × 177.92
  4. Step 4: Simplify right side
    265.12x = 65,118.72
  5. Step 5: Solve for x
    x = 65,118.72/265.12
  6. Step 6: Final answer
    x = 245.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.