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Finding the Fourth Proportional to 165.93, 248.93 and 50.36

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Solution

The fourth proportional to 165.93, 248.93 and 50.36 is: 75.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    165.93 : 248.93 = 50.36 : x
  2. Step 2: Convert to fraction form
    165.93/248.93 = 50.36/x
  3. Step 3: Cross multiply
    165.93x = 248.93 × 50.36
  4. Step 4: Simplify right side
    165.93x = 12,535.55
  5. Step 5: Solve for x
    x = 12,535.55/165.93
  6. Step 6: Final answer
    x = 75.55

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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.