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Finding the Fourth Proportional to 200,342.96, 276,473.73 and 108,463.21

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Solution

The fourth proportional to 200,342.96, 276,473.73 and 108,463.21 is: 149,679.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,342.96 : 276,473.73 = 108,463.21 : x
  2. Step 2: Convert to fraction form
    200,342.96/276,473.73 = 108,463.21/x
  3. Step 3: Cross multiply
    200,342.96x = 276,473.73 × 108,463.21
  4. Step 4: Simplify right side
    200,342.96x = 29,987,230,087.05
  5. Step 5: Solve for x
    x = 29,987,230,087.05/200,342.96
  6. Step 6: Final answer
    x = 149,679.48

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1.5x scale

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.