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Finding the Fourth Proportional to 220,667.96, 330,962.16 and 94,379.24

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Solution

The fourth proportional to 220,667.96, 330,962.16 and 94,379.24 is: 141,551.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,667.96 : 330,962.16 = 94,379.24 : x
  2. Step 2: Convert to fraction form
    220,667.96/330,962.16 = 94,379.24/x
  3. Step 3: Cross multiply
    220,667.96x = 330,962.16 × 94,379.24
  4. Step 4: Simplify right side
    220,667.96x = 31,235,957,129.56
  5. Step 5: Solve for x
    x = 31,235,957,129.56/220,667.96
  6. Step 6: Final answer
    x = 141,551.85

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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.