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Finding the Fourth Proportional to 169,099.70, 253,691.66 and 50,768.42

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Solution

The fourth proportional to 169,099.70, 253,691.66 and 50,768.42 is: 76,165.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,099.70 : 253,691.66 = 50,768.42 : x
  2. Step 2: Convert to fraction form
    169,099.70/253,691.66 = 50,768.42/x
  3. Step 3: Cross multiply
    169,099.70x = 253,691.66 × 50,768.42
  4. Step 4: Simplify right side
    169,099.70x = 12,879,523,603.84
  5. Step 5: Solve for x
    x = 12,879,523,603.84/169,099.70
  6. Step 6: Final answer
    x = 76,165.27

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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.