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Finding the Fourth Proportional to 124,333.89, 171,580.78 and 67,745.27

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Solution

The fourth proportional to 124,333.89, 171,580.78 and 67,745.27 is: 93,488.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,333.89 : 171,580.78 = 67,745.27 : x
  2. Step 2: Convert to fraction form
    124,333.89/171,580.78 = 67,745.27/x
  3. Step 3: Cross multiply
    124,333.89x = 171,580.78 × 67,745.27
  4. Step 4: Simplify right side
    124,333.89x = 11,623,785,937.05
  5. Step 5: Solve for x
    x = 11,623,785,937.05/124,333.89
  6. Step 6: Final answer
    x = 93,488.47

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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.