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Finding the Fourth Proportional to 168,680.10, 253,028.24 and 50,360.70

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Solution

The fourth proportional to 168,680.10, 253,028.24 and 50,360.70 is: 75,543.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,680.10 : 253,028.24 = 50,360.70 : x
  2. Step 2: Convert to fraction form
    168,680.10/253,028.24 = 50,360.70/x
  3. Step 3: Cross multiply
    168,680.10x = 253,028.24 × 50,360.70
  4. Step 4: Simplify right side
    168,680.10x = 12,742,679,286.17
  5. Step 5: Solve for x
    x = 12,742,679,286.17/168,680.10
  6. Step 6: Final answer
    x = 75,543.47

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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.