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Finding the Fourth Proportional to 136,558.89, 188,344.44 and 88,827.48

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Solution

The fourth proportional to 136,558.89, 188,344.44 and 88,827.48 is: 122,512.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,558.89 : 188,344.44 = 88,827.48 : x
  2. Step 2: Convert to fraction form
    136,558.89/188,344.44 = 88,827.48/x
  3. Step 3: Cross multiply
    136,558.89x = 188,344.44 × 88,827.48
  4. Step 4: Simplify right side
    136,558.89x = 16,730,161,977.21
  5. Step 5: Solve for x
    x = 16,730,161,977.21/136,558.89
  6. Step 6: Final answer
    x = 122,512.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.