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Finding the Fourth Proportional to 116.41, 174.62 and 55.59

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Solution

The fourth proportional to 116.41, 174.62 and 55.59 is: 83.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.41 : 174.62 = 55.59 : x
  2. Step 2: Convert to fraction form
    116.41/174.62 = 55.59/x
  3. Step 3: Cross multiply
    116.41x = 174.62 × 55.59
  4. Step 4: Simplify right side
    116.41x = 9,706.38
  5. Step 5: Solve for x
    x = 9,706.38/116.41
  6. Step 6: Final answer
    x = 83.38

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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.