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Finding the Fourth Proportional to 216,660.56, 325,129.32 and 92,001.44

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Solution

The fourth proportional to 216,660.56, 325,129.32 and 92,001.44 is: 138,060.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,660.56 : 325,129.32 = 92,001.44 : x
  2. Step 2: Convert to fraction form
    216,660.56/325,129.32 = 92,001.44/x
  3. Step 3: Cross multiply
    216,660.56x = 325,129.32 × 92,001.44
  4. Step 4: Simplify right side
    216,660.56x = 29,912,365,626.22
  5. Step 5: Solve for x
    x = 29,912,365,626.22/216,660.56
  6. Step 6: Final answer
    x = 138,060.96

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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.