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Finding the Fourth Proportional to 111,562.92, 167,410.86 and 40,491.09

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Solution

The fourth proportional to 111,562.92, 167,410.86 and 40,491.09 is: 60,760.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,562.92 : 167,410.86 = 40,491.09 : x
  2. Step 2: Convert to fraction form
    111,562.92/167,410.86 = 40,491.09/x
  3. Step 3: Cross multiply
    111,562.92x = 167,410.86 × 40,491.09
  4. Step 4: Simplify right side
    111,562.92x = 6,778,648,199.24
  5. Step 5: Solve for x
    x = 6,778,648,199.24/111,562.92
  6. Step 6: Final answer
    x = 60,760.76

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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.