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Finding the Fourth Proportional to 91,474.92, 137,157.71 and 35,268.41

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Solution

The fourth proportional to 91,474.92, 137,157.71 and 35,268.41 is: 52,881.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,474.92 : 137,157.71 = 35,268.41 : x
  2. Step 2: Convert to fraction form
    91,474.92/137,157.71 = 35,268.41/x
  3. Step 3: Cross multiply
    91,474.92x = 137,157.71 × 35,268.41
  4. Step 4: Simplify right side
    91,474.92x = 4,837,334,517.49
  5. Step 5: Solve for x
    x = 4,837,334,517.49/91,474.92
  6. Step 6: Final answer
    x = 52,881.54

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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.