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Finding the Fourth Proportional to 245.92, 369.04 and 101.76

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Solution

The fourth proportional to 245.92, 369.04 and 101.76 is: 152.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.92 : 369.04 = 101.76 : x
  2. Step 2: Convert to fraction form
    245.92/369.04 = 101.76/x
  3. Step 3: Cross multiply
    245.92x = 369.04 × 101.76
  4. Step 4: Simplify right side
    245.92x = 37,553.51
  5. Step 5: Solve for x
    x = 37,553.51/245.92
  6. Step 6: Final answer
    x = 152.71

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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.