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Finding the Fourth Proportional to 222,479.70, 333,572.15 and 122,687.70

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Solution

The fourth proportional to 222,479.70, 333,572.15 and 122,687.70 is: 183,950.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,479.70 : 333,572.15 = 122,687.70 : x
  2. Step 2: Convert to fraction form
    222,479.70/333,572.15 = 122,687.70/x
  3. Step 3: Cross multiply
    222,479.70x = 333,572.15 × 122,687.70
  4. Step 4: Simplify right side
    222,479.70x = 40,925,199,867.56
  5. Step 5: Solve for x
    x = 40,925,199,867.56/222,479.70
  6. Step 6: Final answer
    x = 183,950.27

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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.