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Finding the Fourth Proportional to 168,603.41, 232,669.97 and 92,120.87

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Solution

The fourth proportional to 168,603.41, 232,669.97 and 92,120.87 is: 127,125.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,603.41 : 232,669.97 = 92,120.87 : x
  2. Step 2: Convert to fraction form
    168,603.41/232,669.97 = 92,120.87/x
  3. Step 3: Cross multiply
    168,603.41x = 232,669.97 × 92,120.87
  4. Step 4: Simplify right side
    168,603.41x = 21,433,758,435.32
  5. Step 5: Solve for x
    x = 21,433,758,435.32/168,603.41
  6. Step 6: Final answer
    x = 127,125.30

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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.