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Finding the Fourth Proportional to 303,209.46, 454,836.06 and 92,820.06

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Solution

The fourth proportional to 303,209.46, 454,836.06 and 92,820.06 is: 139,236.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,209.46 : 454,836.06 = 92,820.06 : x
  2. Step 2: Convert to fraction form
    303,209.46/454,836.06 = 92,820.06/x
  3. Step 3: Cross multiply
    303,209.46x = 454,836.06 × 92,820.06
  4. Step 4: Simplify right side
    303,209.46x = 42,217,910,379.36
  5. Step 5: Solve for x
    x = 42,217,910,379.36/303,209.46
  6. Step 6: Final answer
    x = 139,236.78

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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.