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Finding the Fourth Proportional to 195,161.25, 269,322.54 and 105,737.25

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Solution

The fourth proportional to 195,161.25, 269,322.54 and 105,737.25 is: 145,917.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,161.25 : 269,322.54 = 105,737.25 : x
  2. Step 2: Convert to fraction form
    195,161.25/269,322.54 = 105,737.25/x
  3. Step 3: Cross multiply
    195,161.25x = 269,322.54 × 105,737.25
  4. Step 4: Simplify right side
    195,161.25x = 28,477,424,742.62
  5. Step 5: Solve for x
    x = 28,477,424,742.62/195,161.25
  6. Step 6: Final answer
    x = 145,917.41

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