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Finding the Fourth Proportional to 303,517.53, 455,236.34 and 93,137.85

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Solution

The fourth proportional to 303,517.53, 455,236.34 and 93,137.85 is: 139,694.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,517.53 : 455,236.34 = 93,137.85 : x
  2. Step 2: Convert to fraction form
    303,517.53/455,236.34 = 93,137.85/x
  3. Step 3: Cross multiply
    303,517.53x = 455,236.34 × 93,137.85
  4. Step 4: Simplify right side
    303,517.53x = 42,399,733,483.78
  5. Step 5: Solve for x
    x = 42,399,733,483.78/303,517.53
  6. Step 6: Final answer
    x = 139,694.51

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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.