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Finding the Fourth Proportional to 110,381.58, 165,441.99 and 47,183.22

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Solution

The fourth proportional to 110,381.58, 165,441.99 and 47,183.22 is: 70,719.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,381.58 : 165,441.99 = 47,183.22 : x
  2. Step 2: Convert to fraction form
    110,381.58/165,441.99 = 47,183.22/x
  3. Step 3: Cross multiply
    110,381.58x = 165,441.99 × 47,183.22
  4. Step 4: Simplify right side
    110,381.58x = 7,806,085,811.41
  5. Step 5: Solve for x
    x = 7,806,085,811.41/110,381.58
  6. Step 6: Final answer
    x = 70,719.10

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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.