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Finding the Fourth Proportional to 67,762.63, 101,559.60 and 43,683.44

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Solution

The fourth proportional to 67,762.63, 101,559.60 and 43,683.44 is: 65,470.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,762.63 : 101,559.60 = 43,683.44 : x
  2. Step 2: Convert to fraction form
    67,762.63/101,559.60 = 43,683.44/x
  3. Step 3: Cross multiply
    67,762.63x = 101,559.60 × 43,683.44
  4. Step 4: Simplify right side
    67,762.63x = 4,436,472,076.02
  5. Step 5: Solve for x
    x = 4,436,472,076.02/67,762.63
  6. Step 6: Final answer
    x = 65,470.78

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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.