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Finding the Fourth Proportional to 223,641.21, 308,622.33 and 166,535.94

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Solution

The fourth proportional to 223,641.21, 308,622.33 and 166,535.94 is: 229,817.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,641.21 : 308,622.33 = 166,535.94 : x
  2. Step 2: Convert to fraction form
    223,641.21/308,622.33 = 166,535.94/x
  3. Step 3: Cross multiply
    223,641.21x = 308,622.33 × 166,535.94
  4. Step 4: Simplify right side
    223,641.21x = 51,396,709,831.54
  5. Step 5: Solve for x
    x = 51,396,709,831.54/223,641.21
  6. Step 6: Final answer
    x = 229,817.71

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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.