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Finding the Fourth Proportional to 133,304.15, 183,961.91 and 79,593.86

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Solution

The fourth proportional to 133,304.15, 183,961.91 and 79,593.86 is: 109,840.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,304.15 : 183,961.91 = 79,593.86 : x
  2. Step 2: Convert to fraction form
    133,304.15/183,961.91 = 79,593.86/x
  3. Step 3: Cross multiply
    133,304.15x = 183,961.91 × 79,593.86
  4. Step 4: Simplify right side
    133,304.15x = 14,642,237,910.12
  5. Step 5: Solve for x
    x = 14,642,237,910.12/133,304.15
  6. Step 6: Final answer
    x = 109,840.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.