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Finding the Fourth Proportional to 303,122.80, 454,667.82 and 92,760.76

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Solution

The fourth proportional to 303,122.80, 454,667.82 and 92,760.76 is: 139,136.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,122.80 : 454,667.82 = 92,760.76 : x
  2. Step 2: Convert to fraction form
    303,122.80/454,667.82 = 92,760.76/x
  3. Step 3: Cross multiply
    303,122.80x = 454,667.82 × 92,760.76
  4. Step 4: Simplify right side
    303,122.80x = 42,175,332,530.74
  5. Step 5: Solve for x
    x = 42,175,332,530.74/303,122.80
  6. Step 6: Final answer
    x = 139,136.13

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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.