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Finding the Fourth Proportional to 73,555.20, 110,114.10 and 43,957.80

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Solution

The fourth proportional to 73,555.20, 110,114.10 and 43,957.80 is: 65,806.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,555.20 : 110,114.10 = 43,957.80 : x
  2. Step 2: Convert to fraction form
    73,555.20/110,114.10 = 43,957.80/x
  3. Step 3: Cross multiply
    73,555.20x = 110,114.10 × 43,957.80
  4. Step 4: Simplify right side
    73,555.20x = 4,840,373,584.98
  5. Step 5: Solve for x
    x = 4,840,373,584.98/73,555.20
  6. Step 6: Final answer
    x = 65,806.00

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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.