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Finding the Fourth Proportional to 94.41, 141.87 and 55.98

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Solution

The fourth proportional to 94.41, 141.87 and 55.98 is: 84.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.41 : 141.87 = 55.98 : x
  2. Step 2: Convert to fraction form
    94.41/141.87 = 55.98/x
  3. Step 3: Cross multiply
    94.41x = 141.87 × 55.98
  4. Step 4: Simplify right side
    94.41x = 7,941.88
  5. Step 5: Solve for x
    x = 7,941.88/94.41
  6. Step 6: Final answer
    x = 84.12

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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.