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Finding the Fourth Proportional to 124,338, 171,586.44 and 67,749.39

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Solution

The fourth proportional to 124,338, 171,586.44 and 67,749.39 is: 93,494.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,338 : 171,586.44 = 67,749.39 : x
  2. Step 2: Convert to fraction form
    124,338/171,586.44 = 67,749.39/x
  3. Step 3: Cross multiply
    124,338x = 171,586.44 × 67,749.39
  4. Step 4: Simplify right side
    124,338x = 11,624,876,642.27
  5. Step 5: Solve for x
    x = 11,624,876,642.27/124,338
  6. Step 6: Final answer
    x = 93,494.16

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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.