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Finding the Fourth Proportional to 332.92, 499.30 and 101.76

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Solution

The fourth proportional to 332.92, 499.30 and 101.76 is: 152.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.92 : 499.30 = 101.76 : x
  2. Step 2: Convert to fraction form
    332.92/499.30 = 101.76/x
  3. Step 3: Cross multiply
    332.92x = 499.30 × 101.76
  4. Step 4: Simplify right side
    332.92x = 50,808.77
  5. Step 5: Solve for x
    x = 50,808.77/332.92
  6. Step 6: Final answer
    x = 152.62

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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.