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Finding the Fourth Proportional to 108,067.88, 162,172.94 and 37,945.32

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Solution

The fourth proportional to 108,067.88, 162,172.94 and 37,945.32 is: 56,942.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,067.88 : 162,172.94 = 37,945.32 : x
  2. Step 2: Convert to fraction form
    108,067.88/162,172.94 = 37,945.32/x
  3. Step 3: Cross multiply
    108,067.88x = 162,172.94 × 37,945.32
  4. Step 4: Simplify right side
    108,067.88x = 6,153,704,103.64
  5. Step 5: Solve for x
    x = 6,153,704,103.64/108,067.88
  6. Step 6: Final answer
    x = 56,942.95

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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.