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Finding the Fourth Proportional to 122,163.01, 183,177.90 and 36,761.43

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Solution

The fourth proportional to 122,163.01, 183,177.90 and 36,761.43 is: 55,122.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,163.01 : 183,177.90 = 36,761.43 : x
  2. Step 2: Convert to fraction form
    122,163.01/183,177.90 = 36,761.43/x
  3. Step 3: Cross multiply
    122,163.01x = 183,177.90 × 36,761.43
  4. Step 4: Simplify right side
    122,163.01x = 6,733,881,548.40
  5. Step 5: Solve for x
    x = 6,733,881,548.40/122,163.01
  6. Step 6: Final answer
    x = 55,122.10

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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.