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Finding the Fourth Proportional to 155,896.88, 215,086.68 and 95,404.44

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Solution

The fourth proportional to 155,896.88, 215,086.68 and 95,404.44 is: 131,626.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,896.88 : 215,086.68 = 95,404.44 : x
  2. Step 2: Convert to fraction form
    155,896.88/215,086.68 = 95,404.44/x
  3. Step 3: Cross multiply
    155,896.88x = 215,086.68 × 95,404.44
  4. Step 4: Simplify right side
    155,896.88x = 20,520,224,256.86
  5. Step 5: Solve for x
    x = 20,520,224,256.86/155,896.88
  6. Step 6: Final answer
    x = 131,626.91

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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.