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Finding the Fourth Proportional to 110,762.56, 166,135.77 and 43,281.91

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Solution

The fourth proportional to 110,762.56, 166,135.77 and 43,281.91 is: 64,919.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,762.56 : 166,135.77 = 43,281.91 : x
  2. Step 2: Convert to fraction form
    110,762.56/166,135.77 = 43,281.91/x
  3. Step 3: Cross multiply
    110,762.56x = 166,135.77 × 43,281.91
  4. Step 4: Simplify right side
    110,762.56x = 7,190,673,652.59
  5. Step 5: Solve for x
    x = 7,190,673,652.59/110,762.56
  6. Step 6: Final answer
    x = 64,919.71

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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.