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Finding the Fourth Proportional to 116.72, 174.88 and 62.48

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Solution

The fourth proportional to 116.72, 174.88 and 62.48 is: 93.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.72 : 174.88 = 62.48 : x
  2. Step 2: Convert to fraction form
    116.72/174.88 = 62.48/x
  3. Step 3: Cross multiply
    116.72x = 174.88 × 62.48
  4. Step 4: Simplify right side
    116.72x = 10,926.50
  5. Step 5: Solve for x
    x = 10,926.50/116.72
  6. Step 6: Final answer
    x = 93.61

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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.