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Finding the Fourth Proportional to 247.13, 370.66 and 73.75

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Solution

The fourth proportional to 247.13, 370.66 and 73.75 is: 110.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.13 : 370.66 = 73.75 : x
  2. Step 2: Convert to fraction form
    247.13/370.66 = 73.75/x
  3. Step 3: Cross multiply
    247.13x = 370.66 × 73.75
  4. Step 4: Simplify right side
    247.13x = 27,334.99
  5. Step 5: Solve for x
    x = 27,334.99/247.13
  6. Step 6: Final answer
    x = 110.61

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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.