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Finding the Fourth Proportional to 94.58, 141.87 and 73.34

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Solution

The fourth proportional to 94.58, 141.87 and 73.34 is: 110.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.58 : 141.87 = 73.34 : x
  2. Step 2: Convert to fraction form
    94.58/141.87 = 73.34/x
  3. Step 3: Cross multiply
    94.58x = 141.87 × 73.34
  4. Step 4: Simplify right side
    94.58x = 10,404.75
  5. Step 5: Solve for x
    x = 10,404.75/94.58
  6. Step 6: Final answer
    x = 110.01

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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.