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Finding the Fourth Proportional to 73,762.90, 110,660.61 and 43,804.37

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Solution

The fourth proportional to 73,762.90, 110,660.61 and 43,804.37 is: 65,716.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,762.90 : 110,660.61 = 43,804.37 : x
  2. Step 2: Convert to fraction form
    73,762.90/110,660.61 = 43,804.37/x
  3. Step 3: Cross multiply
    73,762.90x = 110,660.61 × 43,804.37
  4. Step 4: Simplify right side
    73,762.90x = 4,847,418,581.52
  5. Step 5: Solve for x
    x = 4,847,418,581.52/73,762.90
  6. Step 6: Final answer
    x = 65,716.22

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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.