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Finding the Fourth Proportional to 124,536.03, 171,859.62 and 67,947.41

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Solution

The fourth proportional to 124,536.03, 171,859.62 and 67,947.41 is: 93,767.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,536.03 : 171,859.62 = 67,947.41 : x
  2. Step 2: Convert to fraction form
    124,536.03/171,859.62 = 67,947.41/x
  3. Step 3: Cross multiply
    124,536.03x = 171,859.62 × 67,947.41
  4. Step 4: Simplify right side
    124,536.03x = 11,677,415,780.33
  5. Step 5: Solve for x
    x = 11,677,415,780.33/124,536.03
  6. Step 6: Final answer
    x = 93,767.37

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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.