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Finding the Fourth Proportional to 222,359.63, 333,574.02 and 74,650.19

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Solution

The fourth proportional to 222,359.63, 333,574.02 and 74,650.19 is: 111,986.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,359.63 : 333,574.02 = 74,650.19 : x
  2. Step 2: Convert to fraction form
    222,359.63/333,574.02 = 74,650.19/x
  3. Step 3: Cross multiply
    222,359.63x = 333,574.02 × 74,650.19
  4. Step 4: Simplify right side
    222,359.63x = 24,901,362,304.19
  5. Step 5: Solve for x
    x = 24,901,362,304.19/222,359.63
  6. Step 6: Final answer
    x = 111,986.89

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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.