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Finding the Fourth Proportional to 65,756.62, 98,622.06 and 54,734.14

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Solution

The fourth proportional to 65,756.62, 98,622.06 and 54,734.14 is: 82,090.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,756.62 : 98,622.06 = 54,734.14 : x
  2. Step 2: Convert to fraction form
    65,756.62/98,622.06 = 54,734.14/x
  3. Step 3: Cross multiply
    65,756.62x = 98,622.06 × 54,734.14
  4. Step 4: Simplify right side
    65,756.62x = 5,397,993,639.13
  5. Step 5: Solve for x
    x = 5,397,993,639.13/65,756.62
  6. Step 6: Final answer
    x = 82,090.50

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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.