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Finding the Fourth Proportional to 268,770.58, 370,944.22 and 161,399.81

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Solution

The fourth proportional to 268,770.58, 370,944.22 and 161,399.81 is: 222,756.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,770.58 : 370,944.22 = 161,399.81 : x
  2. Step 2: Convert to fraction form
    268,770.58/370,944.22 = 161,399.81/x
  3. Step 3: Cross multiply
    268,770.58x = 370,944.22 × 161,399.81
  4. Step 4: Simplify right side
    268,770.58x = 59,870,326,628.60
  5. Step 5: Solve for x
    x = 59,870,326,628.60/268,770.58
  6. Step 6: Final answer
    x = 222,756.25

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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.