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Finding the Fourth Proportional to 155,832.98, 214,998.98 and 95,340.56

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Solution

The fourth proportional to 155,832.98, 214,998.98 and 95,340.56 is: 131,539.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,832.98 : 214,998.98 = 95,340.56 : x
  2. Step 2: Convert to fraction form
    155,832.98/214,998.98 = 95,340.56/x
  3. Step 3: Cross multiply
    155,832.98x = 214,998.98 × 95,340.56
  4. Step 4: Simplify right side
    155,832.98x = 20,498,121,600.93
  5. Step 5: Solve for x
    x = 20,498,121,600.93/155,832.98
  6. Step 6: Final answer
    x = 131,539.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.