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Finding the Fourth Proportional to 193.01, 289.53 and 62.98

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Solution

The fourth proportional to 193.01, 289.53 and 62.98 is: 94.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.01 : 289.53 = 62.98 : x
  2. Step 2: Convert to fraction form
    193.01/289.53 = 62.98/x
  3. Step 3: Cross multiply
    193.01x = 289.53 × 62.98
  4. Step 4: Simplify right side
    193.01x = 18,233.88
  5. Step 5: Solve for x
    x = 18,233.88/193.01
  6. Step 6: Final answer
    x = 94.47

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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.