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Finding the Fourth Proportional to 111,754.44, 167,711.72 and 40,676.92

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Solution

The fourth proportional to 111,754.44, 167,711.72 and 40,676.92 is: 61,044.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,754.44 : 167,711.72 = 40,676.92 : x
  2. Step 2: Convert to fraction form
    111,754.44/167,711.72 = 40,676.92/x
  3. Step 3: Cross multiply
    111,754.44x = 167,711.72 × 40,676.92
  4. Step 4: Simplify right side
    111,754.44x = 6,821,996,217.50
  5. Step 5: Solve for x
    x = 6,821,996,217.50/111,754.44
  6. Step 6: Final answer
    x = 61,044.52

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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.