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Finding the Fourth Proportional to 222,239.84, 306,789.48 and 141,772.88

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Solution

The fourth proportional to 222,239.84, 306,789.48 and 141,772.88 is: 195,709.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,239.84 : 306,789.48 = 141,772.88 : x
  2. Step 2: Convert to fraction form
    222,239.84/306,789.48 = 141,772.88/x
  3. Step 3: Cross multiply
    222,239.84x = 306,789.48 × 141,772.88
  4. Step 4: Simplify right side
    222,239.84x = 43,494,428,133.30
  5. Step 5: Solve for x
    x = 43,494,428,133.30/222,239.84
  6. Step 6: Final answer
    x = 195,709.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.