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Finding the Fourth Proportional to 168,764.16, 253,172.16 and 50,422.08

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Solution

The fourth proportional to 168,764.16, 253,172.16 and 50,422.08 is: 75,640.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,764.16 : 253,172.16 = 50,422.08 : x
  2. Step 2: Convert to fraction form
    168,764.16/253,172.16 = 50,422.08/x
  3. Step 3: Cross multiply
    168,764.16x = 253,172.16 × 50,422.08
  4. Step 4: Simplify right side
    168,764.16x = 12,765,466,905.29
  5. Step 5: Solve for x
    x = 12,765,466,905.29/168,764.16
  6. Step 6: Final answer
    x = 75,640.86

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