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Finding the Fourth Proportional to 161,370.98, 222,676.37 and 93,374.42

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Solution

The fourth proportional to 161,370.98, 222,676.37 and 93,374.42 is: 128,847.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,370.98 : 222,676.37 = 93,374.42 : x
  2. Step 2: Convert to fraction form
    161,370.98/222,676.37 = 93,374.42/x
  3. Step 3: Cross multiply
    161,370.98x = 222,676.37 × 93,374.42
  4. Step 4: Simplify right side
    161,370.98x = 20,792,275,316.20
  5. Step 5: Solve for x
    x = 20,792,275,316.20/161,370.98
  6. Step 6: Final answer
    x = 128,847.68

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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.