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Finding the Fourth Proportional to 74,379.85, 102,629.75 and 44,174.64

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Solution

The fourth proportional to 74,379.85, 102,629.75 and 44,174.64 is: 60,952.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,379.85 : 102,629.75 = 44,174.64 : x
  2. Step 2: Convert to fraction form
    74,379.85/102,629.75 = 44,174.64/x
  3. Step 3: Cross multiply
    74,379.85x = 102,629.75 × 44,174.64
  4. Step 4: Simplify right side
    74,379.85x = 4,533,632,259.54
  5. Step 5: Solve for x
    x = 4,533,632,259.54/74,379.85
  6. Step 6: Final answer
    x = 60,952.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.