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Finding the Fourth Proportional to 73,912.16, 110,847.96 and 26,518.47

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Solution

The fourth proportional to 73,912.16, 110,847.96 and 26,518.47 is: 39,770.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,912.16 : 110,847.96 = 26,518.47 : x
  2. Step 2: Convert to fraction form
    73,912.16/110,847.96 = 26,518.47/x
  3. Step 3: Cross multiply
    73,912.16x = 110,847.96 × 26,518.47
  4. Step 4: Simplify right side
    73,912.16x = 2,939,518,301.82
  5. Step 5: Solve for x
    x = 2,939,518,301.82/73,912.16
  6. Step 6: Final answer
    x = 39,770.43

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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.