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Finding the Fourth Proportional to 74,481.21, 111,697.74 and 24,549.44

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Solution

The fourth proportional to 74,481.21, 111,697.74 and 24,549.44 is: 36,816.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,481.21 : 111,697.74 = 24,549.44 : x
  2. Step 2: Convert to fraction form
    74,481.21/111,697.74 = 24,549.44/x
  3. Step 3: Cross multiply
    74,481.21x = 111,697.74 × 24,549.44
  4. Step 4: Simplify right side
    74,481.21x = 2,742,116,407.78
  5. Step 5: Solve for x
    x = 2,742,116,407.78/74,481.21
  6. Step 6: Final answer
    x = 36,816.22

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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.