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Finding the Fourth Proportional to 160,647.76, 221,717.82 and 92,652.04

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Solution

The fourth proportional to 160,647.76, 221,717.82 and 92,652.04 is: 127,873.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,647.76 : 221,717.82 = 92,652.04 : x
  2. Step 2: Convert to fraction form
    160,647.76/221,717.82 = 92,652.04/x
  3. Step 3: Cross multiply
    160,647.76x = 221,717.82 × 92,652.04
  4. Step 4: Simplify right side
    160,647.76x = 20,542,608,327.35
  5. Step 5: Solve for x
    x = 20,542,608,327.35/160,647.76
  6. Step 6: Final answer
    x = 127,873.61

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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.