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Finding the Fourth Proportional to 199,365.80, 274,915.79 and 131,295.83

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Solution

The fourth proportional to 199,365.80, 274,915.79 and 131,295.83 is: 181,050.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,365.80 : 274,915.79 = 131,295.83 : x
  2. Step 2: Convert to fraction form
    199,365.80/274,915.79 = 131,295.83/x
  3. Step 3: Cross multiply
    199,365.80x = 274,915.79 × 131,295.83
  4. Step 4: Simplify right side
    199,365.80x = 36,095,294,797.10
  5. Step 5: Solve for x
    x = 36,095,294,797.10/199,365.80
  6. Step 6: Final answer
    x = 181,050.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.