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Finding the Fourth Proportional to 94.18, 141.06 and 63.58

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Solution

The fourth proportional to 94.18, 141.06 and 63.58 is: 95.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.18 : 141.06 = 63.58 : x
  2. Step 2: Convert to fraction form
    94.18/141.06 = 63.58/x
  3. Step 3: Cross multiply
    94.18x = 141.06 × 63.58
  4. Step 4: Simplify right side
    94.18x = 8,968.59
  5. Step 5: Solve for x
    x = 8,968.59/94.18
  6. Step 6: Final answer
    x = 95.23

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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.