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Finding the Fourth Proportional to 94.80, 142.02 and 62.67

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Solution

The fourth proportional to 94.80, 142.02 and 62.67 is: 93.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.80 : 142.02 = 62.67 : x
  2. Step 2: Convert to fraction form
    94.80/142.02 = 62.67/x
  3. Step 3: Cross multiply
    94.80x = 142.02 × 62.67
  4. Step 4: Simplify right side
    94.80x = 8,900.39
  5. Step 5: Solve for x
    x = 8,900.39/94.80
  6. Step 6: Final answer
    x = 93.89

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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.