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Finding the Fourth Proportional to 236,940.40, 354,846.84 and 136,893.52

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Solution

The fourth proportional to 236,940.40, 354,846.84 and 136,893.52 is: 205,014.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,940.40 : 354,846.84 = 136,893.52 : x
  2. Step 2: Convert to fraction form
    236,940.40/354,846.84 = 136,893.52/x
  3. Step 3: Cross multiply
    236,940.40x = 354,846.84 × 136,893.52
  4. Step 4: Simplify right side
    236,940.40x = 48,576,232,988.48
  5. Step 5: Solve for x
    x = 48,576,232,988.48/236,940.40
  6. Step 6: Final answer
    x = 205,014.56

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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.