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Finding the Fourth Proportional to 222,516.47, 333,806.52 and 68,655.50

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Solution

The fourth proportional to 222,516.47, 333,806.52 and 68,655.50 is: 102,993.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,516.47 : 333,806.52 = 68,655.50 : x
  2. Step 2: Convert to fraction form
    222,516.47/333,806.52 = 68,655.50/x
  3. Step 3: Cross multiply
    222,516.47x = 333,806.52 × 68,655.50
  4. Step 4: Simplify right side
    222,516.47x = 22,917,653,190.58
  5. Step 5: Solve for x
    x = 22,917,653,190.58/222,516.47
  6. Step 6: Final answer
    x = 102,993.06

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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.