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Finding the Fourth Proportional to 117,589.84, 176,382.21 and 28,843.78

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Solution

The fourth proportional to 117,589.84, 176,382.21 and 28,843.78 is: 43,265.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,589.84 : 176,382.21 = 28,843.78 : x
  2. Step 2: Convert to fraction form
    117,589.84/176,382.21 = 28,843.78/x
  3. Step 3: Cross multiply
    117,589.84x = 176,382.21 × 28,843.78
  4. Step 4: Simplify right side
    117,589.84x = 5,087,529,661.15
  5. Step 5: Solve for x
    x = 5,087,529,661.15/117,589.84
  6. Step 6: Final answer
    x = 43,265.04

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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.