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Finding the Fourth Proportional to 133.59, 200.22 and 93

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Solution

The fourth proportional to 133.59, 200.22 and 93 is: 139.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.59 : 200.22 = 93 : x
  2. Step 2: Convert to fraction form
    133.59/200.22 = 93/x
  3. Step 3: Cross multiply
    133.59x = 200.22 × 93
  4. Step 4: Simplify right side
    133.59x = 18,620.46
  5. Step 5: Solve for x
    x = 18,620.46/133.59
  6. Step 6: Final answer
    x = 139.39

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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.