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Finding the Fourth Proportional to 303,737.96, 455,600.78 and 79,093.42

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Solution

The fourth proportional to 303,737.96, 455,600.78 and 79,093.42 is: 118,638.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,737.96 : 455,600.78 = 79,093.42 : x
  2. Step 2: Convert to fraction form
    303,737.96/455,600.78 = 79,093.42/x
  3. Step 3: Cross multiply
    303,737.96x = 455,600.78 × 79,093.42
  4. Step 4: Simplify right side
    303,737.96x = 36,035,023,844.87
  5. Step 5: Solve for x
    x = 36,035,023,844.87/303,737.96
  6. Step 6: Final answer
    x = 118,638.53

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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.