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Finding the Fourth Proportional to 73,198.69, 101,014.29 and 39,664.69

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Solution

The fourth proportional to 73,198.69, 101,014.29 and 39,664.69 is: 54,737.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,198.69 : 101,014.29 = 39,664.69 : x
  2. Step 2: Convert to fraction form
    73,198.69/101,014.29 = 39,664.69/x
  3. Step 3: Cross multiply
    73,198.69x = 101,014.29 × 39,664.69
  4. Step 4: Simplify right side
    73,198.69x = 4,006,700,245.88
  5. Step 5: Solve for x
    x = 4,006,700,245.88/73,198.69
  6. Step 6: Final answer
    x = 54,737.32

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1.5x scale

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.