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Finding the Fourth Proportional to 149.96, 225.02 and 93

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Solution

The fourth proportional to 149.96, 225.02 and 93 is: 139.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.96 : 225.02 = 93 : x
  2. Step 2: Convert to fraction form
    149.96/225.02 = 93/x
  3. Step 3: Cross multiply
    149.96x = 225.02 × 93
  4. Step 4: Simplify right side
    149.96x = 20,926.86
  5. Step 5: Solve for x
    x = 20,926.86/149.96
  6. Step 6: Final answer
    x = 139.55

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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.