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Finding the Fourth Proportional to 108,497.34, 162,620.26 and 64,161.39

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Solution

The fourth proportional to 108,497.34, 162,620.26 and 64,161.39 is: 96,167.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,497.34 : 162,620.26 = 64,161.39 : x
  2. Step 2: Convert to fraction form
    108,497.34/162,620.26 = 64,161.39/x
  3. Step 3: Cross multiply
    108,497.34x = 162,620.26 × 64,161.39
  4. Step 4: Simplify right side
    108,497.34x = 10,433,941,110.66
  5. Step 5: Solve for x
    x = 10,433,941,110.66/108,497.34
  6. Step 6: Final answer
    x = 96,167.71

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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.