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Finding the Fourth Proportional to 119,993.68, 179,988.09 and 31,245.22

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Solution

The fourth proportional to 119,993.68, 179,988.09 and 31,245.22 is: 46,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,993.68 : 179,988.09 = 31,245.22 : x
  2. Step 2: Convert to fraction form
    119,993.68/179,988.09 = 31,245.22/x
  3. Step 3: Cross multiply
    119,993.68x = 179,988.09 × 31,245.22
  4. Step 4: Simplify right side
    119,993.68x = 5,623,767,469.43
  5. Step 5: Solve for x
    x = 5,623,767,469.43/119,993.68
  6. Step 6: Final answer
    x = 46,867.20

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1.5x scale

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.