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Finding the Fourth Proportional to 60,418.80, 90,541.80 and 44,499.60

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Solution

The fourth proportional to 60,418.80, 90,541.80 and 44,499.60 is: 66,685.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,418.80 : 90,541.80 = 44,499.60 : x
  2. Step 2: Convert to fraction form
    60,418.80/90,541.80 = 44,499.60/x
  3. Step 3: Cross multiply
    60,418.80x = 90,541.80 × 44,499.60
  4. Step 4: Simplify right side
    60,418.80x = 4,029,073,883.28
  5. Step 5: Solve for x
    x = 4,029,073,883.28/60,418.80
  6. Step 6: Final answer
    x = 66,685.76

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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.