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Finding the Fourth Proportional to 259,991.37, 389,737.92 and 110,025.32

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Solution

The fourth proportional to 259,991.37, 389,737.92 and 110,025.32 is: 164,932.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,991.37 : 389,737.92 = 110,025.32 : x
  2. Step 2: Convert to fraction form
    259,991.37/389,737.92 = 110,025.32/x
  3. Step 3: Cross multiply
    259,991.37x = 389,737.92 × 110,025.32
  4. Step 4: Simplify right side
    259,991.37x = 42,881,039,364.13
  5. Step 5: Solve for x
    x = 42,881,039,364.13/259,991.37
  6. Step 6: Final answer
    x = 164,932.55

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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.