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Finding the Fourth Proportional to 117,524.88, 162,183.78 and 63,809.46

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Solution

The fourth proportional to 117,524.88, 162,183.78 and 63,809.46 is: 88,056.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,524.88 : 162,183.78 = 63,809.46 : x
  2. Step 2: Convert to fraction form
    117,524.88/162,183.78 = 63,809.46/x
  3. Step 3: Cross multiply
    117,524.88x = 162,183.78 × 63,809.46
  4. Step 4: Simplify right side
    117,524.88x = 10,348,859,422.56
  5. Step 5: Solve for x
    x = 10,348,859,422.56/117,524.88
  6. Step 6: Final answer
    x = 88,056.75

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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.