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Finding the Fourth Proportional to 67,723.16, 101,550.52 and 39,651.68

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Solution

The fourth proportional to 67,723.16, 101,550.52 and 39,651.68 is: 59,457.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,723.16 : 101,550.52 = 39,651.68 : x
  2. Step 2: Convert to fraction form
    67,723.16/101,550.52 = 39,651.68/x
  3. Step 3: Cross multiply
    67,723.16x = 101,550.52 × 39,651.68
  4. Step 4: Simplify right side
    67,723.16x = 4,026,648,722.87
  5. Step 5: Solve for x
    x = 4,026,648,722.87/67,723.16
  6. Step 6: Final answer
    x = 59,457.48

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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.