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Finding the Fourth Proportional to 161,358.35, 222,680.00 and 88,764.32

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Solution

The fourth proportional to 161,358.35, 222,680.00 and 88,764.32 is: 122,497.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,358.35 : 222,680.00 = 88,764.32 : x
  2. Step 2: Convert to fraction form
    161,358.35/222,680.00 = 88,764.32/x
  3. Step 3: Cross multiply
    161,358.35x = 222,680.00 × 88,764.32
  4. Step 4: Simplify right side
    161,358.35x = 19,766,039,556.21
  5. Step 5: Solve for x
    x = 19,766,039,556.21/161,358.35
  6. Step 6: Final answer
    x = 122,497.78

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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.