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Finding the Fourth Proportional to 117,479.32, 176,218.97 and 28,731.77

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Solution

The fourth proportional to 117,479.32, 176,218.97 and 28,731.77 is: 43,097.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,479.32 : 176,218.97 = 28,731.77 : x
  2. Step 2: Convert to fraction form
    117,479.32/176,218.97 = 28,731.77/x
  3. Step 3: Cross multiply
    117,479.32x = 176,218.97 × 28,731.77
  4. Step 4: Simplify right side
    117,479.32x = 5,063,082,915.68
  5. Step 5: Solve for x
    x = 5,063,082,915.68/117,479.32
  6. Step 6: Final answer
    x = 43,097.65

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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.