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Finding the Fourth Proportional to 124,604.37, 186,909.20 and 44,647.55

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Solution

The fourth proportional to 124,604.37, 186,909.20 and 44,647.55 is: 66,972.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,604.37 : 186,909.20 = 44,647.55 : x
  2. Step 2: Convert to fraction form
    124,604.37/186,909.20 = 44,647.55/x
  3. Step 3: Cross multiply
    124,604.37x = 186,909.20 × 44,647.55
  4. Step 4: Simplify right side
    124,604.37x = 8,345,036,694.68
  5. Step 5: Solve for x
    x = 8,345,036,694.68/124,604.37
  6. Step 6: Final answer
    x = 66,972.26

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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.