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Finding the Fourth Proportional to 94.99, 142.35 and 58.86

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Solution

The fourth proportional to 94.99, 142.35 and 58.86 is: 88.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.99 : 142.35 = 58.86 : x
  2. Step 2: Convert to fraction form
    94.99/142.35 = 58.86/x
  3. Step 3: Cross multiply
    94.99x = 142.35 × 58.86
  4. Step 4: Simplify right side
    94.99x = 8,378.72
  5. Step 5: Solve for x
    x = 8,378.72/94.99
  6. Step 6: Final answer
    x = 88.21

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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.