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Finding the Fourth Proportional to 73,725.80, 110,590.92 and 23,129.96

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Solution

The fourth proportional to 73,725.80, 110,590.92 and 23,129.96 is: 34,695.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,725.80 : 110,590.92 = 23,129.96 : x
  2. Step 2: Convert to fraction form
    73,725.80/110,590.92 = 23,129.96/x
  3. Step 3: Cross multiply
    73,725.80x = 110,590.92 × 23,129.96
  4. Step 4: Simplify right side
    73,725.80x = 2,557,963,003.01
  5. Step 5: Solve for x
    x = 2,557,963,003.01/73,725.80
  6. Step 6: Final answer
    x = 34,695.63

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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.