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Finding the Fourth Proportional to 169,222.92, 253,749.86 and 55,355.87

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Solution

The fourth proportional to 169,222.92, 253,749.86 and 55,355.87 is: 83,006.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,222.92 : 253,749.86 = 55,355.87 : x
  2. Step 2: Convert to fraction form
    169,222.92/253,749.86 = 55,355.87/x
  3. Step 3: Cross multiply
    169,222.92x = 253,749.86 × 55,355.87
  4. Step 4: Simplify right side
    169,222.92x = 14,046,542,924.73
  5. Step 5: Solve for x
    x = 14,046,542,924.73/169,222.92
  6. Step 6: Final answer
    x = 83,006.15

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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.