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Finding the Fourth Proportional to 303,414.70, 455,122.05 and 93,025.30

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Solution

The fourth proportional to 303,414.70, 455,122.05 and 93,025.30 is: 139,537.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,414.70 : 455,122.05 = 93,025.30 : x
  2. Step 2: Convert to fraction form
    303,414.70/455,122.05 = 93,025.30/x
  3. Step 3: Cross multiply
    303,414.70x = 455,122.05 × 93,025.30
  4. Step 4: Simplify right side
    303,414.70x = 42,337,865,237.87
  5. Step 5: Solve for x
    x = 42,337,865,237.87/303,414.70
  6. Step 6: Final answer
    x = 139,537.95

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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.