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Finding the Fourth Proportional to 67,646.56, 101,504.84 and 49,079.85

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Solution

The fourth proportional to 67,646.56, 101,504.84 and 49,079.85 is: 73,645.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,646.56 : 101,504.84 = 49,079.85 : x
  2. Step 2: Convert to fraction form
    67,646.56/101,504.84 = 49,079.85/x
  3. Step 3: Cross multiply
    67,646.56x = 101,504.84 × 49,079.85
  4. Step 4: Simplify right side
    67,646.56x = 4,981,841,813.95
  5. Step 5: Solve for x
    x = 4,981,841,813.95/67,646.56
  6. Step 6: Final answer
    x = 73,645.16

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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.