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Finding the Fourth Proportional to 65,755.62, 98,620.56 and 54,733.14

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Solution

The fourth proportional to 65,755.62, 98,620.56 and 54,733.14 is: 82,089.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,755.62 : 98,620.56 = 54,733.14 : x
  2. Step 2: Convert to fraction form
    65,755.62/98,620.56 = 54,733.14/x
  3. Step 3: Cross multiply
    65,755.62x = 98,620.56 × 54,733.14
  4. Step 4: Simplify right side
    65,755.62x = 5,397,812,917.36
  5. Step 5: Solve for x
    x = 5,397,812,917.36/65,755.62
  6. Step 6: Final answer
    x = 82,089.00

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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.