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Finding the Fourth Proportional to 65,285.17, 90,121.09 and 44,093.14

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Solution

The fourth proportional to 65,285.17, 90,121.09 and 44,093.14 is: 60,867.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,285.17 : 90,121.09 = 44,093.14 : x
  2. Step 2: Convert to fraction form
    65,285.17/90,121.09 = 44,093.14/x
  3. Step 3: Cross multiply
    65,285.17x = 90,121.09 × 44,093.14
  4. Step 4: Simplify right side
    65,285.17x = 3,973,721,387.72
  5. Step 5: Solve for x
    x = 3,973,721,387.72/65,285.17
  6. Step 6: Final answer
    x = 60,867.14

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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.