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Finding the Fourth Proportional to 65,233.80, 97,850.70 and 54,162.60

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Solution

The fourth proportional to 65,233.80, 97,850.70 and 54,162.60 is: 81,243.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,233.80 : 97,850.70 = 54,162.60 : x
  2. Step 2: Convert to fraction form
    65,233.80/97,850.70 = 54,162.60/x
  3. Step 3: Cross multiply
    65,233.80x = 97,850.70 × 54,162.60
  4. Step 4: Simplify right side
    65,233.80x = 5,299,848,323.82
  5. Step 5: Solve for x
    x = 5,299,848,323.82/65,233.80
  6. Step 6: Final answer
    x = 81,243.90

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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.