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Finding the Fourth Proportional to 60,640.01, 90,849.17 and 43,958.66

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Solution

The fourth proportional to 60,640.01, 90,849.17 and 43,958.66 is: 65,857.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,640.01 : 90,849.17 = 43,958.66 : x
  2. Step 2: Convert to fraction form
    60,640.01/90,849.17 = 43,958.66/x
  3. Step 3: Cross multiply
    60,640.01x = 90,849.17 × 43,958.66
  4. Step 4: Simplify right side
    60,640.01x = 3,993,607,775.31
  5. Step 5: Solve for x
    x = 3,993,607,775.31/60,640.01
  6. Step 6: Final answer
    x = 65,857.64

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.