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Finding the Fourth Proportional to 161,197.90, 222,389.41 and 93,202.42

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Solution

The fourth proportional to 161,197.90, 222,389.41 and 93,202.42 is: 128,582.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,197.90 : 222,389.41 = 93,202.42 : x
  2. Step 2: Convert to fraction form
    161,197.90/222,389.41 = 93,202.42/x
  3. Step 3: Cross multiply
    161,197.90x = 222,389.41 × 93,202.42
  4. Step 4: Simplify right side
    161,197.90x = 20,727,231,194.37
  5. Step 5: Solve for x
    x = 20,727,231,194.37/161,197.90
  6. Step 6: Final answer
    x = 128,582.51

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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.