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Finding the Fourth Proportional to 113,967.21, 170,958.11 and 43,846.52

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Solution

The fourth proportional to 113,967.21, 170,958.11 and 43,846.52 is: 65,772.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,967.21 : 170,958.11 = 43,846.52 : x
  2. Step 2: Convert to fraction form
    113,967.21/170,958.11 = 43,846.52/x
  3. Step 3: Cross multiply
    113,967.21x = 170,958.11 × 43,846.52
  4. Step 4: Simplify right side
    113,967.21x = 7,495,918,189.28
  5. Step 5: Solve for x
    x = 7,495,918,189.28/113,967.21
  6. Step 6: Final answer
    x = 65,772.59

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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.