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Finding the Fourth Proportional to 224,422.88, 336,621.12 and 84,169.76

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Solution

The fourth proportional to 224,422.88, 336,621.12 and 84,169.76 is: 126,249.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,422.88 : 336,621.12 = 84,169.76 : x
  2. Step 2: Convert to fraction form
    224,422.88/336,621.12 = 84,169.76/x
  3. Step 3: Cross multiply
    224,422.88x = 336,621.12 × 84,169.76
  4. Step 4: Simplify right side
    224,422.88x = 28,333,318,881.33
  5. Step 5: Solve for x
    x = 28,333,318,881.33/224,422.88
  6. Step 6: Final answer
    x = 126,249.69

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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.