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Finding the Fourth Proportional to 121,843.73, 182,768.10 and 37,603.94

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Solution

The fourth proportional to 121,843.73, 182,768.10 and 37,603.94 is: 56,406.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,843.73 : 182,768.10 = 37,603.94 : x
  2. Step 2: Convert to fraction form
    121,843.73/182,768.10 = 37,603.94/x
  3. Step 3: Cross multiply
    121,843.73x = 182,768.10 × 37,603.94
  4. Step 4: Simplify right side
    121,843.73x = 6,872,801,259.33
  5. Step 5: Solve for x
    x = 6,872,801,259.33/121,843.73
  6. Step 6: Final answer
    x = 56,406.69

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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.