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Finding the Fourth Proportional to 131,504.40, 196,867.80 and 123,814.80

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Solution

The fourth proportional to 131,504.40, 196,867.80 and 123,814.80 is: 185,356.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,504.40 : 196,867.80 = 123,814.80 : x
  2. Step 2: Convert to fraction form
    131,504.40/196,867.80 = 123,814.80/x
  3. Step 3: Cross multiply
    131,504.40x = 196,867.80 × 123,814.80
  4. Step 4: Simplify right side
    131,504.40x = 24,375,147,283.44
  5. Step 5: Solve for x
    x = 24,375,147,283.44/131,504.40
  6. Step 6: Final answer
    x = 185,356.13

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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.