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Finding the Fourth Proportional to 168,692.58, 253,092.51 and 105,552.90

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Solution

The fourth proportional to 168,692.58, 253,092.51 and 105,552.90 is: 158,362.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,692.58 : 253,092.51 = 105,552.90 : x
  2. Step 2: Convert to fraction form
    168,692.58/253,092.51 = 105,552.90/x
  3. Step 3: Cross multiply
    168,692.58x = 253,092.51 × 105,552.90
  4. Step 4: Simplify right side
    168,692.58x = 26,714,648,398.78
  5. Step 5: Solve for x
    x = 26,714,648,398.78/168,692.58
  6. Step 6: Final answer
    x = 158,362.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.