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Finding the Fourth Proportional to 112,458.27, 168,696.10 and 37,578.68

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Solution

The fourth proportional to 112,458.27, 168,696.10 and 37,578.68 is: 56,370.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,458.27 : 168,696.10 = 37,578.68 : x
  2. Step 2: Convert to fraction form
    112,458.27/168,696.10 = 37,578.68/x
  3. Step 3: Cross multiply
    112,458.27x = 168,696.10 × 37,578.68
  4. Step 4: Simplify right side
    112,458.27x = 6,339,375,915.67
  5. Step 5: Solve for x
    x = 6,339,375,915.67/112,458.27
  6. Step 6: Final answer
    x = 56,370.92

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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.