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Finding the Fourth Proportional to 202.19, 303.29 and 65.24

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Solution

The fourth proportional to 202.19, 303.29 and 65.24 is: 97.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.19 : 303.29 = 65.24 : x
  2. Step 2: Convert to fraction form
    202.19/303.29 = 65.24/x
  3. Step 3: Cross multiply
    202.19x = 303.29 × 65.24
  4. Step 4: Simplify right side
    202.19x = 19,784.80
  5. Step 5: Solve for x
    x = 19,784.80/202.19
  6. Step 6: Final answer
    x = 97.85

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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.