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Finding the Fourth Proportional to 122,677.89, 184,016.82 and 39,571.89

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Solution

The fourth proportional to 122,677.89, 184,016.82 and 39,571.89 is: 59,357.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,677.89 : 184,016.82 = 39,571.89 : x
  2. Step 2: Convert to fraction form
    122,677.89/184,016.82 = 39,571.89/x
  3. Step 3: Cross multiply
    122,677.89x = 184,016.82 × 39,571.89
  4. Step 4: Simplify right side
    122,677.89x = 7,281,893,359.19
  5. Step 5: Solve for x
    x = 7,281,893,359.19/122,677.89
  6. Step 6: Final answer
    x = 59,357.83

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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.