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Finding the Fourth Proportional to 91,906.63, 137,887.63 and 32,734.60

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Solution

The fourth proportional to 91,906.63, 137,887.63 and 32,734.60 is: 49,111.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,906.63 : 137,887.63 = 32,734.60 : x
  2. Step 2: Convert to fraction form
    91,906.63/137,887.63 = 32,734.60/x
  3. Step 3: Cross multiply
    91,906.63x = 137,887.63 × 32,734.60
  4. Step 4: Simplify right side
    91,906.63x = 4,513,696,413.00
  5. Step 5: Solve for x
    x = 4,513,696,413.00/91,906.63
  6. Step 6: Final answer
    x = 49,111.76

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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.