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Finding the Fourth Proportional to 222,617.14, 307,251.12 and 168,811.45

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Solution

The fourth proportional to 222,617.14, 307,251.12 and 168,811.45 is: 232,989.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,617.14 : 307,251.12 = 168,811.45 : x
  2. Step 2: Convert to fraction form
    222,617.14/307,251.12 = 168,811.45/x
  3. Step 3: Cross multiply
    222,617.14x = 307,251.12 × 168,811.45
  4. Step 4: Simplify right side
    222,617.14x = 51,867,507,081.32
  5. Step 5: Solve for x
    x = 51,867,507,081.32/222,617.14
  6. Step 6: Final answer
    x = 232,989.73

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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.