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Finding the Fourth Proportional to 122,390.40, 183,571.02 and 33,652.92

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Solution

The fourth proportional to 122,390.40, 183,571.02 and 33,652.92 is: 50,475.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,390.40 : 183,571.02 = 33,652.92 : x
  2. Step 2: Convert to fraction form
    122,390.40/183,571.02 = 33,652.92/x
  3. Step 3: Cross multiply
    122,390.40x = 183,571.02 × 33,652.92
  4. Step 4: Simplify right side
    122,390.40x = 6,177,700,850.38
  5. Step 5: Solve for x
    x = 6,177,700,850.38/122,390.40
  6. Step 6: Final answer
    x = 50,475.37

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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.