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Finding the Fourth Proportional to 165,801.80, 248,961.90 and 95,817.80

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Solution

The fourth proportional to 165,801.80, 248,961.90 and 95,817.80 is: 143,876.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,801.80 : 248,961.90 = 95,817.80 : x
  2. Step 2: Convert to fraction form
    165,801.80/248,961.90 = 95,817.80/x
  3. Step 3: Cross multiply
    165,801.80x = 248,961.90 × 95,817.80
  4. Step 4: Simplify right side
    165,801.80x = 23,854,981,541.82
  5. Step 5: Solve for x
    x = 23,854,981,541.82/165,801.80
  6. Step 6: Final answer
    x = 143,876.49

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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.