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Finding the Fourth Proportional to 331,871.87, 497,810.69 and 107,232.33

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Solution

The fourth proportional to 331,871.87, 497,810.69 and 107,232.33 is: 160,849.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,871.87 : 497,810.69 = 107,232.33 : x
  2. Step 2: Convert to fraction form
    331,871.87/497,810.69 = 107,232.33/x
  3. Step 3: Cross multiply
    331,871.87x = 497,810.69 × 107,232.33
  4. Step 4: Simplify right side
    331,871.87x = 53,381,399,651.45
  5. Step 5: Solve for x
    x = 53,381,399,651.45/331,871.87
  6. Step 6: Final answer
    x = 160,849.43

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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.