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Finding the Fourth Proportional to 54,370.20, 81,401.70 and 52,834.20

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Solution

The fourth proportional to 54,370.20, 81,401.70 and 52,834.20 is: 79,102.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,370.20 : 81,401.70 = 52,834.20 : x
  2. Step 2: Convert to fraction form
    54,370.20/81,401.70 = 52,834.20/x
  3. Step 3: Cross multiply
    54,370.20x = 81,401.70 × 52,834.20
  4. Step 4: Simplify right side
    54,370.20x = 4,300,793,698.14
  5. Step 5: Solve for x
    x = 4,300,793,698.14/54,370.20
  6. Step 6: Final answer
    x = 79,102.04

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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.