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Finding the Fourth Proportional to 222,516.65, 333,795.50 and 72,757.71

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Solution

The fourth proportional to 222,516.65, 333,795.50 and 72,757.71 is: 109,143.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,516.65 : 333,795.50 = 72,757.71 : x
  2. Step 2: Convert to fraction form
    222,516.65/333,795.50 = 72,757.71/x
  3. Step 3: Cross multiply
    222,516.65x = 333,795.50 × 72,757.71
  4. Step 4: Simplify right side
    222,516.65x = 24,286,196,097.36
  5. Step 5: Solve for x
    x = 24,286,196,097.36/222,516.65
  6. Step 6: Final answer
    x = 109,143.27

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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.