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Finding the Fourth Proportional to 303,355.84, 455,121.24 and 93,024.76

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Solution

The fourth proportional to 303,355.84, 455,121.24 and 93,024.76 is: 139,563.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,355.84 : 455,121.24 = 93,024.76 : x
  2. Step 2: Convert to fraction form
    303,355.84/455,121.24 = 93,024.76/x
  3. Step 3: Cross multiply
    303,355.84x = 455,121.24 × 93,024.76
  4. Step 4: Simplify right side
    303,355.84x = 42,337,544,121.90
  5. Step 5: Solve for x
    x = 42,337,544,121.90/303,355.84
  6. Step 6: Final answer
    x = 139,563.97

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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.