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Finding the Fourth Proportional to 165.48, 248.26 and 62.77

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Solution

The fourth proportional to 165.48, 248.26 and 62.77 is: 94.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    165.48 : 248.26 = 62.77 : x
  2. Step 2: Convert to fraction form
    165.48/248.26 = 62.77/x
  3. Step 3: Cross multiply
    165.48x = 248.26 × 62.77
  4. Step 4: Simplify right side
    165.48x = 15,582.50
  5. Step 5: Solve for x
    x = 15,582.50/165.48
  6. Step 6: Final answer
    x = 94.17

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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.