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Finding the Fourth Proportional to 103,169.43, 154,797.89 and 56,367.63

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Solution

The fourth proportional to 103,169.43, 154,797.89 and 56,367.63 is: 84,575.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,169.43 : 154,797.89 = 56,367.63 : x
  2. Step 2: Convert to fraction form
    103,169.43/154,797.89 = 56,367.63/x
  3. Step 3: Cross multiply
    103,169.43x = 154,797.89 × 56,367.63
  4. Step 4: Simplify right side
    103,169.43x = 8,725,589,906.46
  5. Step 5: Solve for x
    x = 8,725,589,906.46/103,169.43
  6. Step 6: Final answer
    x = 84,575.34

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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.