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Finding the Fourth Proportional to 121,503.73, 182,234.58 and 54,928.37

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Solution

The fourth proportional to 121,503.73, 182,234.58 and 54,928.37 is: 82,383.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,503.73 : 182,234.58 = 54,928.37 : x
  2. Step 2: Convert to fraction form
    121,503.73/182,234.58 = 54,928.37/x
  3. Step 3: Cross multiply
    121,503.73x = 182,234.58 × 54,928.37
  4. Step 4: Simplify right side
    121,503.73x = 10,009,848,162.39
  5. Step 5: Solve for x
    x = 10,009,848,162.39/121,503.73
  6. Step 6: Final answer
    x = 82,383.06

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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.