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Finding the Fourth Proportional to 184,793.92, 277,117.44 and 66,428.80

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Solution

The fourth proportional to 184,793.92, 277,117.44 and 66,428.80 is: 99,616.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,793.92 : 277,117.44 = 66,428.80 : x
  2. Step 2: Convert to fraction form
    184,793.92/277,117.44 = 66,428.80/x
  3. Step 3: Cross multiply
    184,793.92x = 277,117.44 × 66,428.80
  4. Step 4: Simplify right side
    184,793.92x = 18,408,578,998.27
  5. Step 5: Solve for x
    x = 18,408,578,998.27/184,793.92
  6. Step 6: Final answer
    x = 99,616.80

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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.