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Finding the Fourth Proportional to 74,583.32, 111,770.48 and 37,107.86

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Solution

The fourth proportional to 74,583.32, 111,770.48 and 37,107.86 is: 55,609.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,583.32 : 111,770.48 = 37,107.86 : x
  2. Step 2: Convert to fraction form
    74,583.32/111,770.48 = 37,107.86/x
  3. Step 3: Cross multiply
    74,583.32x = 111,770.48 × 37,107.86
  4. Step 4: Simplify right side
    74,583.32x = 4,147,563,323.97
  5. Step 5: Solve for x
    x = 4,147,563,323.97/74,583.32
  6. Step 6: Final answer
    x = 55,609.80

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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.