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Finding the Fourth Proportional to 123,044.67, 184,582.41 and 48,155.15

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Solution

The fourth proportional to 123,044.67, 184,582.41 and 48,155.15 is: 72,238.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,044.67 : 184,582.41 = 48,155.15 : x
  2. Step 2: Convert to fraction form
    123,044.67/184,582.41 = 48,155.15/x
  3. Step 3: Cross multiply
    123,044.67x = 184,582.41 × 48,155.15
  4. Step 4: Simplify right side
    123,044.67x = 8,888,593,640.91
  5. Step 5: Solve for x
    x = 8,888,593,640.91/123,044.67
  6. Step 6: Final answer
    x = 72,238.75

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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.