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Finding the Fourth Proportional to 66,376.67, 91,600.88 and 36,163.43

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Solution

The fourth proportional to 66,376.67, 91,600.88 and 36,163.43 is: 49,906.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,376.67 : 91,600.88 = 36,163.43 : x
  2. Step 2: Convert to fraction form
    66,376.67/91,600.88 = 36,163.43/x
  3. Step 3: Cross multiply
    66,376.67x = 91,600.88 × 36,163.43
  4. Step 4: Simplify right side
    66,376.67x = 3,312,601,831.00
  5. Step 5: Solve for x
    x = 3,312,601,831.00/66,376.67
  6. Step 6: Final answer
    x = 49,906.12

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Why These Related Problems?

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