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Finding the Fourth Proportional to 175,203.92, 262,866.87 and 55,279.37

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Solution

The fourth proportional to 175,203.92, 262,866.87 and 55,279.37 is: 82,938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,203.92 : 262,866.87 = 55,279.37 : x
  2. Step 2: Convert to fraction form
    175,203.92/262,866.87 = 55,279.37/x
  3. Step 3: Cross multiply
    175,203.92x = 262,866.87 × 55,279.37
  4. Step 4: Simplify right side
    175,203.92x = 14,531,115,624.64
  5. Step 5: Solve for x
    x = 14,531,115,624.64/175,203.92
  6. Step 6: Final answer
    x = 82,938.30

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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.