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Finding the Fourth Proportional to 165.65, 248.53 and 62.96

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Solution

The fourth proportional to 165.65, 248.53 and 62.96 is: 94.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    165.65 : 248.53 = 62.96 : x
  2. Step 2: Convert to fraction form
    165.65/248.53 = 62.96/x
  3. Step 3: Cross multiply
    165.65x = 248.53 × 62.96
  4. Step 4: Simplify right side
    165.65x = 15,646.21
  5. Step 5: Solve for x
    x = 15,646.21/165.65
  6. Step 6: Final answer
    x = 94.46

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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.