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Finding the Fourth Proportional to 158,633.34, 218,910.15 and 102,044.58

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Solution

The fourth proportional to 158,633.34, 218,910.15 and 102,044.58 is: 140,819.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,633.34 : 218,910.15 = 102,044.58 : x
  2. Step 2: Convert to fraction form
    158,633.34/218,910.15 = 102,044.58/x
  3. Step 3: Cross multiply
    158,633.34x = 218,910.15 × 102,044.58
  4. Step 4: Simplify right side
    158,633.34x = 22,338,594,314.49
  5. Step 5: Solve for x
    x = 22,338,594,314.49/158,633.34
  6. Step 6: Final answer
    x = 140,819.04

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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.