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Finding the Fourth Proportional to 85,162.44, 117,525.44 and 48,869.80

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Solution

The fourth proportional to 85,162.44, 117,525.44 and 48,869.80 is: 67,441.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,162.44 : 117,525.44 = 48,869.80 : x
  2. Step 2: Convert to fraction form
    85,162.44/117,525.44 = 48,869.80/x
  3. Step 3: Cross multiply
    85,162.44x = 117,525.44 × 48,869.80
  4. Step 4: Simplify right side
    85,162.44x = 5,743,444,747.71
  5. Step 5: Solve for x
    x = 5,743,444,747.71/85,162.44
  6. Step 6: Final answer
    x = 67,441.05

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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.