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Finding the Fourth Proportional to 94.95, 142.29 and 49.26

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Solution

The fourth proportional to 94.95, 142.29 and 49.26 is: 73.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.95 : 142.29 = 49.26 : x
  2. Step 2: Convert to fraction form
    94.95/142.29 = 49.26/x
  3. Step 3: Cross multiply
    94.95x = 142.29 × 49.26
  4. Step 4: Simplify right side
    94.95x = 7,009.21
  5. Step 5: Solve for x
    x = 7,009.21/94.95
  6. Step 6: Final answer
    x = 73.82

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.