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Finding the Fourth Proportional to 67,183.61, 100,810.80 and 29,769.51

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Solution

The fourth proportional to 67,183.61, 100,810.80 and 29,769.51 is: 44,669.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,183.61 : 100,810.80 = 29,769.51 : x
  2. Step 2: Convert to fraction form
    67,183.61/100,810.80 = 29,769.51/x
  3. Step 3: Cross multiply
    67,183.61x = 100,810.80 × 29,769.51
  4. Step 4: Simplify right side
    67,183.61x = 3,001,088,118.71
  5. Step 5: Solve for x
    x = 3,001,088,118.71/67,183.61
  6. Step 6: Final answer
    x = 44,669.95

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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.