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Finding the Fourth Proportional to 171,974.47, 257,866.99 and 92,106.04

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Solution

The fourth proportional to 171,974.47, 257,866.99 and 92,106.04 is: 138,108.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,974.47 : 257,866.99 = 92,106.04 : x
  2. Step 2: Convert to fraction form
    171,974.47/257,866.99 = 92,106.04/x
  3. Step 3: Cross multiply
    171,974.47x = 257,866.99 × 92,106.04
  4. Step 4: Simplify right side
    171,974.47x = 23,751,106,835.09
  5. Step 5: Solve for x
    x = 23,751,106,835.09/171,974.47
  6. Step 6: Final answer
    x = 138,108.33

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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.