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Finding the Fourth Proportional to 225,397.98, 311,027.67 and 134,735.94

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Solution

The fourth proportional to 225,397.98, 311,027.67 and 134,735.94 is: 185,922.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,397.98 : 311,027.67 = 134,735.94 : x
  2. Step 2: Convert to fraction form
    225,397.98/311,027.67 = 134,735.94/x
  3. Step 3: Cross multiply
    225,397.98x = 311,027.67 × 134,735.94
  4. Step 4: Simplify right side
    225,397.98x = 41,906,605,483.46
  5. Step 5: Solve for x
    x = 41,906,605,483.46/225,397.98
  6. Step 6: Final answer
    x = 185,922.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.