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Finding the Fourth Proportional to 165.79, 248.66 and 44.06

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Solution

The fourth proportional to 165.79, 248.66 and 44.06 is: 66.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    165.79 : 248.66 = 44.06 : x
  2. Step 2: Convert to fraction form
    165.79/248.66 = 44.06/x
  3. Step 3: Cross multiply
    165.79x = 248.66 × 44.06
  4. Step 4: Simplify right side
    165.79x = 10,955.96
  5. Step 5: Solve for x
    x = 10,955.96/165.79
  6. Step 6: Final answer
    x = 66.08

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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.