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Finding the Fourth Proportional to 146,588.43, 202,292.42 and 79,520.43

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Solution

The fourth proportional to 146,588.43, 202,292.42 and 79,520.43 is: 109,738.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,588.43 : 202,292.42 = 79,520.43 : x
  2. Step 2: Convert to fraction form
    146,588.43/202,292.42 = 79,520.43/x
  3. Step 3: Cross multiply
    146,588.43x = 202,292.42 × 79,520.43
  4. Step 4: Simplify right side
    146,588.43x = 16,086,380,224.14
  5. Step 5: Solve for x
    x = 16,086,380,224.14/146,588.43
  6. Step 6: Final answer
    x = 109,738.40

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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.