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Finding the Fourth Proportional to 221,580.96, 332,342.28 and 61,667.52

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Solution

The fourth proportional to 221,580.96, 332,342.28 and 61,667.52 is: 92,493.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,580.96 : 332,342.28 = 61,667.52 : x
  2. Step 2: Convert to fraction form
    221,580.96/332,342.28 = 61,667.52/x
  3. Step 3: Cross multiply
    221,580.96x = 332,342.28 × 61,667.52
  4. Step 4: Simplify right side
    221,580.96x = 20,494,724,198.75
  5. Step 5: Solve for x
    x = 20,494,724,198.75/221,580.96
  6. Step 6: Final answer
    x = 92,493.16

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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.