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Finding the Fourth Proportional to 222,175.71, 333,199.89 and 72,429.08

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Solution

The fourth proportional to 222,175.71, 333,199.89 and 72,429.08 is: 108,622.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,175.71 : 333,199.89 = 72,429.08 : x
  2. Step 2: Convert to fraction form
    222,175.71/333,199.89 = 72,429.08/x
  3. Step 3: Cross multiply
    222,175.71x = 333,199.89 × 72,429.08
  4. Step 4: Simplify right side
    222,175.71x = 24,133,359,822.80
  5. Step 5: Solve for x
    x = 24,133,359,822.80/222,175.71
  6. Step 6: Final answer
    x = 108,622.85

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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.