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Finding the Fourth Proportional to 122,538, 183,850.80 and 60,252.24

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Solution

The fourth proportional to 122,538, 183,850.80 and 60,252.24 is: 90,399.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,538 : 183,850.80 = 60,252.24 : x
  2. Step 2: Convert to fraction form
    122,538/183,850.80 = 60,252.24/x
  3. Step 3: Cross multiply
    122,538x = 183,850.80 × 60,252.24
  4. Step 4: Simplify right side
    122,538x = 11,077,422,525.79
  5. Step 5: Solve for x
    x = 11,077,422,525.79/122,538
  6. Step 6: Final answer
    x = 90,399.90

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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.