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Finding the Fourth Proportional to 230,562.31, 345,961.07 and 155,525.20

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Solution

The fourth proportional to 230,562.31, 345,961.07 and 155,525.20 is: 233,367.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,562.31 : 345,961.07 = 155,525.20 : x
  2. Step 2: Convert to fraction form
    230,562.31/345,961.07 = 155,525.20/x
  3. Step 3: Cross multiply
    230,562.31x = 345,961.07 × 155,525.20
  4. Step 4: Simplify right side
    230,562.31x = 53,805,665,879.01
  5. Step 5: Solve for x
    x = 53,805,665,879.01/230,562.31
  6. Step 6: Final answer
    x = 233,367.13

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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.