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Finding the Fourth Proportional to 230,649.92, 345,995.04 and 72,837.44

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Solution

The fourth proportional to 230,649.92, 345,995.04 and 72,837.44 is: 109,262.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,649.92 : 345,995.04 = 72,837.44 : x
  2. Step 2: Convert to fraction form
    230,649.92/345,995.04 = 72,837.44/x
  3. Step 3: Cross multiply
    230,649.92x = 345,995.04 × 72,837.44
  4. Step 4: Simplify right side
    230,649.92x = 25,201,392,966.30
  5. Step 5: Solve for x
    x = 25,201,392,966.30/230,649.92
  6. Step 6: Final answer
    x = 109,262.53

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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.