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Finding the Fourth Proportional to 92,550.20, 138,744.30 and 62,871.80

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Solution

The fourth proportional to 92,550.20, 138,744.30 and 62,871.80 is: 94,252.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,550.20 : 138,744.30 = 62,871.80 : x
  2. Step 2: Convert to fraction form
    92,550.20/138,744.30 = 62,871.80/x
  3. Step 3: Cross multiply
    92,550.20x = 138,744.30 × 62,871.80
  4. Step 4: Simplify right side
    92,550.20x = 8,723,103,880.74
  5. Step 5: Solve for x
    x = 8,723,103,880.74/92,550.20
  6. Step 6: Final answer
    x = 94,252.67

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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.