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Finding the Fourth Proportional to 303,084.80, 454,645.40 and 92,724.56

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Solution

The fourth proportional to 303,084.80, 454,645.40 and 92,724.56 is: 139,092.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,084.80 : 454,645.40 = 92,724.56 : x
  2. Step 2: Convert to fraction form
    303,084.80/454,645.40 = 92,724.56/x
  3. Step 3: Cross multiply
    303,084.80x = 454,645.40 × 92,724.56
  4. Step 4: Simplify right side
    303,084.80x = 42,156,794,671.02
  5. Step 5: Solve for x
    x = 42,156,794,671.02/303,084.80
  6. Step 6: Final answer
    x = 139,092.41

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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.