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Finding the Fourth Proportional to 216.69, 325.14 and 95.00

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Solution

The fourth proportional to 216.69, 325.14 and 95.00 is: 142.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    216.69 : 325.14 = 95.00 : x
  2. Step 2: Convert to fraction form
    216.69/325.14 = 95.00/x
  3. Step 3: Cross multiply
    216.69x = 325.14 × 95.00
  4. Step 4: Simplify right side
    216.69x = 30,886.67
  5. Step 5: Solve for x
    x = 30,886.67/216.69
  6. Step 6: Final answer
    x = 142.54

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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.