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Finding the Fourth Proportional to 108,790.91, 163,149.41 and 37,696.96

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Solution

The fourth proportional to 108,790.91, 163,149.41 and 37,696.96 is: 56,532.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,790.91 : 163,149.41 = 37,696.96 : x
  2. Step 2: Convert to fraction form
    108,790.91/163,149.41 = 37,696.96/x
  3. Step 3: Cross multiply
    108,790.91x = 163,149.41 × 37,696.96
  4. Step 4: Simplify right side
    108,790.91x = 6,150,237,080.97
  5. Step 5: Solve for x
    x = 6,150,237,080.97/108,790.91
  6. Step 6: Final answer
    x = 56,532.64

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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.