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Finding the Fourth Proportional to 183,014.58, 274,164.31 and 126,078.43

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Solution

The fourth proportional to 183,014.58, 274,164.31 and 126,078.43 is: 188,871.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,014.58 : 274,164.31 = 126,078.43 : x
  2. Step 2: Convert to fraction form
    183,014.58/274,164.31 = 126,078.43/x
  3. Step 3: Cross multiply
    183,014.58x = 274,164.31 × 126,078.43
  4. Step 4: Simplify right side
    183,014.58x = 34,566,205,766.83
  5. Step 5: Solve for x
    x = 34,566,205,766.83/183,014.58
  6. Step 6: Final answer
    x = 188,871.32

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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.