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Finding the Fourth Proportional to 274,559.80, 411,839.70 and 116,793.40

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Solution

The fourth proportional to 274,559.80, 411,839.70 and 116,793.40 is: 175,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,559.80 : 411,839.70 = 116,793.40 : x
  2. Step 2: Convert to fraction form
    274,559.80/411,839.70 = 116,793.40/x
  3. Step 3: Cross multiply
    274,559.80x = 411,839.70 × 116,793.40
  4. Step 4: Simplify right side
    274,559.80x = 48,100,158,817.98
  5. Step 5: Solve for x
    x = 48,100,158,817.98/274,559.80
  6. Step 6: Final answer
    x = 175,190.10

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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.