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Finding the Fourth Proportional to 67,646.15, 101,504.22 and 49,079.42

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Solution

The fourth proportional to 67,646.15, 101,504.22 and 49,079.42 is: 73,644.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,646.15 : 101,504.22 = 49,079.42 : x
  2. Step 2: Convert to fraction form
    67,646.15/101,504.22 = 49,079.42/x
  3. Step 3: Cross multiply
    67,646.15x = 101,504.22 × 49,079.42
  4. Step 4: Simplify right side
    67,646.15x = 4,981,768,498.91
  5. Step 5: Solve for x
    x = 4,981,768,498.91/67,646.15
  6. Step 6: Final answer
    x = 73,644.53

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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.