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Finding the Fourth Proportional to 161,843.52, 223,451.52 and 104,508.48

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Solution

The fourth proportional to 161,843.52, 223,451.52 and 104,508.48 is: 144,291.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,843.52 : 223,451.52 = 104,508.48 : x
  2. Step 2: Convert to fraction form
    161,843.52/223,451.52 = 104,508.48/x
  3. Step 3: Cross multiply
    161,843.52x = 223,451.52 × 104,508.48
  4. Step 4: Simplify right side
    161,843.52x = 23,352,578,708.89
  5. Step 5: Solve for x
    x = 23,352,578,708.89/161,843.52
  6. Step 6: Final answer
    x = 144,291.09

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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.