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Finding the Fourth Proportional to 225,104.75, 337,572.36 and 91,913.72

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Solution

The fourth proportional to 225,104.75, 337,572.36 and 91,913.72 is: 137,835.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,104.75 : 337,572.36 = 91,913.72 : x
  2. Step 2: Convert to fraction form
    225,104.75/337,572.36 = 91,913.72/x
  3. Step 3: Cross multiply
    225,104.75x = 337,572.36 × 91,913.72
  4. Step 4: Simplify right side
    225,104.75x = 31,027,529,688.92
  5. Step 5: Solve for x
    x = 31,027,529,688.92/225,104.75
  6. Step 6: Final answer
    x = 137,835.96

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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.