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Finding the Fourth Proportional to 71,738.48, 98,958.12 and 43,050.44

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Solution

The fourth proportional to 71,738.48, 98,958.12 and 43,050.44 is: 59,385.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,738.48 : 98,958.12 = 43,050.44 : x
  2. Step 2: Convert to fraction form
    71,738.48/98,958.12 = 43,050.44/x
  3. Step 3: Cross multiply
    71,738.48x = 98,958.12 × 43,050.44
  4. Step 4: Simplify right side
    71,738.48x = 4,260,190,607.57
  5. Step 5: Solve for x
    x = 4,260,190,607.57/71,738.48
  6. Step 6: Final answer
    x = 59,385.01

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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.