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Finding the Fourth Proportional to 168,002.94, 252,103.64 and 61,377.42

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Solution

The fourth proportional to 168,002.94, 252,103.64 and 61,377.42 is: 92,102.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,002.94 : 252,103.64 = 61,377.42 : x
  2. Step 2: Convert to fraction form
    168,002.94/252,103.64 = 61,377.42/x
  3. Step 3: Cross multiply
    168,002.94x = 252,103.64 × 61,377.42
  4. Step 4: Simplify right side
    168,002.94x = 15,473,470,688.92
  5. Step 5: Solve for x
    x = 15,473,470,688.92/168,002.94
  6. Step 6: Final answer
    x = 92,102.38

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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.