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Finding the Fourth Proportional to 241,989.60, 362,811.60 and 136,840.80

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Solution

The fourth proportional to 241,989.60, 362,811.60 and 136,840.80 is: 205,163.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,989.60 : 362,811.60 = 136,840.80 : x
  2. Step 2: Convert to fraction form
    241,989.60/362,811.60 = 136,840.80/x
  3. Step 3: Cross multiply
    241,989.60x = 362,811.60 × 136,840.80
  4. Step 4: Simplify right side
    241,989.60x = 49,647,429,593.28
  5. Step 5: Solve for x
    x = 49,647,429,593.28/241,989.60
  6. Step 6: Final answer
    x = 205,163.48

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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.