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Finding the Fourth Proportional to 222,389.43, 333,604.65 and 72,630.51

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Solution

The fourth proportional to 222,389.43, 333,604.65 and 72,630.51 is: 108,952.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,389.43 : 333,604.65 = 72,630.51 : x
  2. Step 2: Convert to fraction form
    222,389.43/333,604.65 = 72,630.51/x
  3. Step 3: Cross multiply
    222,389.43x = 333,604.65 × 72,630.51
  4. Step 4: Simplify right side
    222,389.43x = 24,229,875,867.87
  5. Step 5: Solve for x
    x = 24,229,875,867.87/222,389.43
  6. Step 6: Final answer
    x = 108,952.46

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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.