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Finding the Fourth Proportional to 94.95, 141.66 and 93.95

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Solution

The fourth proportional to 94.95, 141.66 and 93.95 is: 140.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.95 : 141.66 = 93.95 : x
  2. Step 2: Convert to fraction form
    94.95/141.66 = 93.95/x
  3. Step 3: Cross multiply
    94.95x = 141.66 × 93.95
  4. Step 4: Simplify right side
    94.95x = 13,308.25
  5. Step 5: Solve for x
    x = 13,308.25/94.95
  6. Step 6: Final answer
    x = 140.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.