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Finding the Fourth Proportional to 118,838.33, 164,001.41 and 67,859.36

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Solution

The fourth proportional to 118,838.33, 164,001.41 and 67,859.36 is: 93,648.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,838.33 : 164,001.41 = 67,859.36 : x
  2. Step 2: Convert to fraction form
    118,838.33/164,001.41 = 67,859.36/x
  3. Step 3: Cross multiply
    118,838.33x = 164,001.41 × 67,859.36
  4. Step 4: Simplify right side
    118,838.33x = 11,129,029,562.39
  5. Step 5: Solve for x
    x = 11,129,029,562.39/118,838.33
  6. Step 6: Final answer
    x = 93,648.49

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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.