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Finding the Fourth Proportional to 73,089.74, 100,882.46 and 48,893.42

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Solution

The fourth proportional to 73,089.74, 100,882.46 and 48,893.42 is: 67,485.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,089.74 : 100,882.46 = 48,893.42 : x
  2. Step 2: Convert to fraction form
    73,089.74/100,882.46 = 48,893.42/x
  3. Step 3: Cross multiply
    73,089.74x = 100,882.46 × 48,893.42
  4. Step 4: Simplify right side
    73,089.74x = 4,932,488,861.85
  5. Step 5: Solve for x
    x = 4,932,488,861.85/73,089.74
  6. Step 6: Final answer
    x = 67,485.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.