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Finding the Fourth Proportional to 101.94, 152.23 and 96.67

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Solution

The fourth proportional to 101.94, 152.23 and 96.67 is: 144.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101.94 : 152.23 = 96.67 : x
  2. Step 2: Convert to fraction form
    101.94/152.23 = 96.67/x
  3. Step 3: Cross multiply
    101.94x = 152.23 × 96.67
  4. Step 4: Simplify right side
    101.94x = 14,715.93
  5. Step 5: Solve for x
    x = 14,715.93/101.94
  6. Step 6: Final answer
    x = 144.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.