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Finding the Fourth Proportional to 91,105.34, 125,725.54 and 50,268.54

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Solution

The fourth proportional to 91,105.34, 125,725.54 and 50,268.54 is: 69,370.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,105.34 : 125,725.54 = 50,268.54 : x
  2. Step 2: Convert to fraction form
    91,105.34/125,725.54 = 50,268.54/x
  3. Step 3: Cross multiply
    91,105.34x = 125,725.54 × 50,268.54
  4. Step 4: Simplify right side
    91,105.34x = 6,320,039,336.51
  5. Step 5: Solve for x
    x = 6,320,039,336.51/91,105.34
  6. Step 6: Final answer
    x = 69,370.68

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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.