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Finding the Fourth Proportional to 222,488.31, 333,853.97 and 94,384.80

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Solution

The fourth proportional to 222,488.31, 333,853.97 and 94,384.80 is: 141,628.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,488.31 : 333,853.97 = 94,384.80 : x
  2. Step 2: Convert to fraction form
    222,488.31/333,853.97 = 94,384.80/x
  3. Step 3: Cross multiply
    222,488.31x = 333,853.97 × 94,384.80
  4. Step 4: Simplify right side
    222,488.31x = 31,510,741,675.57
  5. Step 5: Solve for x
    x = 31,510,741,675.57/222,488.31
  6. Step 6: Final answer
    x = 141,628.75

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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.