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Finding the Fourth Proportional to 117,479.62, 176,217.91 and 28,733.86

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Solution

The fourth proportional to 117,479.62, 176,217.91 and 28,733.86 is: 43,100.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,479.62 : 176,217.91 = 28,733.86 : x
  2. Step 2: Convert to fraction form
    117,479.62/176,217.91 = 28,733.86/x
  3. Step 3: Cross multiply
    117,479.62x = 176,217.91 × 28,733.86
  4. Step 4: Simplify right side
    117,479.62x = 5,063,420,755.43
  5. Step 5: Solve for x
    x = 5,063,420,755.43/117,479.62
  6. Step 6: Final answer
    x = 43,100.42

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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.