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Finding the Fourth Proportional to 222,348.08, 333,437.04 and 109,989.68

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Solution

The fourth proportional to 222,348.08, 333,437.04 and 109,989.68 is: 164,942.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,348.08 : 333,437.04 = 109,989.68 : x
  2. Step 2: Convert to fraction form
    222,348.08/333,437.04 = 109,989.68/x
  3. Step 3: Cross multiply
    222,348.08x = 333,437.04 × 109,989.68
  4. Step 4: Simplify right side
    222,348.08x = 36,674,633,329.75
  5. Step 5: Solve for x
    x = 36,674,633,329.75/222,348.08
  6. Step 6: Final answer
    x = 164,942.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.