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Finding the Fourth Proportional to 65,169.06, 90,028.17 and 44,041.02

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Solution

The fourth proportional to 65,169.06, 90,028.17 and 44,041.02 is: 60,840.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,169.06 : 90,028.17 = 44,041.02 : x
  2. Step 2: Convert to fraction form
    65,169.06/90,028.17 = 44,041.02/x
  3. Step 3: Cross multiply
    65,169.06x = 90,028.17 × 44,041.02
  4. Step 4: Simplify right side
    65,169.06x = 3,964,932,435.53
  5. Step 5: Solve for x
    x = 3,964,932,435.53/65,169.06
  6. Step 6: Final answer
    x = 60,840.72

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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.