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Finding the Fourth Proportional to 202.68, 304.05 and 94.48

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Solution

The fourth proportional to 202.68, 304.05 and 94.48 is: 141.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.68 : 304.05 = 94.48 : x
  2. Step 2: Convert to fraction form
    202.68/304.05 = 94.48/x
  3. Step 3: Cross multiply
    202.68x = 304.05 × 94.48
  4. Step 4: Simplify right side
    202.68x = 28,726.64
  5. Step 5: Solve for x
    x = 28,726.64/202.68
  6. Step 6: Final answer
    x = 141.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.