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Finding the Fourth Proportional to 144,846.56, 199,884.72 and 80,315.44

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Solution

The fourth proportional to 144,846.56, 199,884.72 and 80,315.44 is: 110,833.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,846.56 : 199,884.72 = 80,315.44 : x
  2. Step 2: Convert to fraction form
    144,846.56/199,884.72 = 80,315.44/x
  3. Step 3: Cross multiply
    144,846.56x = 199,884.72 × 80,315.44
  4. Step 4: Simplify right side
    144,846.56x = 16,053,829,236.08
  5. Step 5: Solve for x
    x = 16,053,829,236.08/144,846.56
  6. Step 6: Final answer
    x = 110,833.35

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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.