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Finding the Fourth Proportional to 161,162.88, 222,370.56 and 94,064.64

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Solution

The fourth proportional to 161,162.88, 222,370.56 and 94,064.64 is: 129,789.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,162.88 : 222,370.56 = 94,064.64 : x
  2. Step 2: Convert to fraction form
    161,162.88/222,370.56 = 94,064.64/x
  3. Step 3: Cross multiply
    161,162.88x = 222,370.56 × 94,064.64
  4. Step 4: Simplify right side
    161,162.88x = 20,917,206,673.00
  5. Step 5: Solve for x
    x = 20,917,206,673.00/161,162.88
  6. Step 6: Final answer
    x = 129,789.23

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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.