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Finding the Fourth Proportional to 60,641, 90,850.67 and 43,959.66

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Solution

The fourth proportional to 60,641, 90,850.67 and 43,959.66 is: 65,859.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,641 : 90,850.67 = 43,959.66 : x
  2. Step 2: Convert to fraction form
    60,641/90,850.67 = 43,959.66/x
  3. Step 3: Cross multiply
    60,641x = 90,850.67 × 43,959.66
  4. Step 4: Simplify right side
    60,641x = 3,993,764,563.97
  5. Step 5: Solve for x
    x = 3,993,764,563.97/60,641
  6. Step 6: Final answer
    x = 65,859.15

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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.