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Finding the Fourth Proportional to 124,480.44, 171,785.34 and 67,893.84

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Solution

The fourth proportional to 124,480.44, 171,785.34 and 67,893.84 is: 93,694.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,480.44 : 171,785.34 = 67,893.84 : x
  2. Step 2: Convert to fraction form
    124,480.44/171,785.34 = 67,893.84/x
  3. Step 3: Cross multiply
    124,480.44x = 171,785.34 × 67,893.84
  4. Step 4: Simplify right side
    124,480.44x = 11,663,166,388.31
  5. Step 5: Solve for x
    x = 11,663,166,388.31/124,480.44
  6. Step 6: Final answer
    x = 93,694.77

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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.