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Finding the Fourth Proportional to 175.35, 242.01 and 101.67

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Solution

The fourth proportional to 175.35, 242.01 and 101.67 is: 140.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.35 : 242.01 = 101.67 : x
  2. Step 2: Convert to fraction form
    175.35/242.01 = 101.67/x
  3. Step 3: Cross multiply
    175.35x = 242.01 × 101.67
  4. Step 4: Simplify right side
    175.35x = 24,605.16
  5. Step 5: Solve for x
    x = 24,605.16/175.35
  6. Step 6: Final answer
    x = 140.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.