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Finding the Fourth Proportional to 116.41, 174.62 and 73.93

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Solution

The fourth proportional to 116.41, 174.62 and 73.93 is: 110.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.41 : 174.62 = 73.93 : x
  2. Step 2: Convert to fraction form
    116.41/174.62 = 73.93/x
  3. Step 3: Cross multiply
    116.41x = 174.62 × 73.93
  4. Step 4: Simplify right side
    116.41x = 12,909.66
  5. Step 5: Solve for x
    x = 12,909.66/116.41
  6. Step 6: Final answer
    x = 110.90

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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.