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Finding the Fourth Proportional to 195,797.20, 293,112.60 and 116,870.80

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Solution

The fourth proportional to 195,797.20, 293,112.60 and 116,870.80 is: 174,958.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,797.20 : 293,112.60 = 116,870.80 : x
  2. Step 2: Convert to fraction form
    195,797.20/293,112.60 = 116,870.80/x
  3. Step 3: Cross multiply
    195,797.20x = 293,112.60 × 116,870.80
  4. Step 4: Simplify right side
    195,797.20x = 34,256,304,052.08
  5. Step 5: Solve for x
    x = 34,256,304,052.08/195,797.20
  6. Step 6: Final answer
    x = 174,958.09

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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.