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Finding the Fourth Proportional to 67,118.88, 100,615.44 and 22,714.55

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Solution

The fourth proportional to 67,118.88, 100,615.44 and 22,714.55 is: 34,050.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,118.88 : 100,615.44 = 22,714.55 : x
  2. Step 2: Convert to fraction form
    67,118.88/100,615.44 = 22,714.55/x
  3. Step 3: Cross multiply
    67,118.88x = 100,615.44 × 22,714.55
  4. Step 4: Simplify right side
    67,118.88x = 2,285,433,939.57
  5. Step 5: Solve for x
    x = 2,285,433,939.57/67,118.88
  6. Step 6: Final answer
    x = 34,050.54

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1.5x scale

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.