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Finding the Fourth Proportional to 80,041.92, 110,457.32 and 44,231.96

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Solution

The fourth proportional to 80,041.92, 110,457.32 and 44,231.96 is: 61,039.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,041.92 : 110,457.32 = 44,231.96 : x
  2. Step 2: Convert to fraction form
    80,041.92/110,457.32 = 44,231.96/x
  3. Step 3: Cross multiply
    80,041.92x = 110,457.32 × 44,231.96
  4. Step 4: Simplify right side
    80,041.92x = 4,885,742,986.50
  5. Step 5: Solve for x
    x = 4,885,742,986.50/80,041.92
  6. Step 6: Final answer
    x = 61,039.80

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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.