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Finding the Fourth Proportional to 161,365.26, 222,647.31 and 93,380.52

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Solution

The fourth proportional to 161,365.26, 222,647.31 and 93,380.52 is: 128,843.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,365.26 : 222,647.31 = 93,380.52 : x
  2. Step 2: Convert to fraction form
    161,365.26/222,647.31 = 93,380.52/x
  3. Step 3: Cross multiply
    161,365.26x = 222,647.31 × 93,380.52
  4. Step 4: Simplify right side
    161,365.26x = 20,790,921,584.40
  5. Step 5: Solve for x
    x = 20,790,921,584.40/161,365.26
  6. Step 6: Final answer
    x = 128,843.85

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1.5x scale

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.