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Finding the Fourth Proportional to 202.67, 304.14 and 94.40

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Solution

The fourth proportional to 202.67, 304.14 and 94.40 is: 141.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.67 : 304.14 = 94.40 : x
  2. Step 2: Convert to fraction form
    202.67/304.14 = 94.40/x
  3. Step 3: Cross multiply
    202.67x = 304.14 × 94.40
  4. Step 4: Simplify right side
    202.67x = 28,710.82
  5. Step 5: Solve for x
    x = 28,710.82/202.67
  6. Step 6: Final answer
    x = 141.66

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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.