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Finding the Fourth Proportional to 222,814.71, 333,651.60 and 122,864.07

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Solution

The fourth proportional to 222,814.71, 333,651.60 and 122,864.07 is: 183,981.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,814.71 : 333,651.60 = 122,864.07 : x
  2. Step 2: Convert to fraction form
    222,814.71/333,651.60 = 122,864.07/x
  3. Step 3: Cross multiply
    222,814.71x = 333,651.60 × 122,864.07
  4. Step 4: Simplify right side
    222,814.71x = 40,993,793,538.01
  5. Step 5: Solve for x
    x = 40,993,793,538.01/222,814.71
  6. Step 6: Final answer
    x = 183,981.54

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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.