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Finding the Fourth Proportional to 67,879.87, 101,833.47 and 23,505.64

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Solution

The fourth proportional to 67,879.87, 101,833.47 and 23,505.64 is: 35,263.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,879.87 : 101,833.47 = 23,505.64 : x
  2. Step 2: Convert to fraction form
    67,879.87/101,833.47 = 23,505.64/x
  3. Step 3: Cross multiply
    67,879.87x = 101,833.47 × 23,505.64
  4. Step 4: Simplify right side
    67,879.87x = 2,393,660,631.19
  5. Step 5: Solve for x
    x = 2,393,660,631.19/67,879.87
  6. Step 6: Final answer
    x = 35,263.19

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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.