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Finding the Fourth Proportional to 308,637.06, 425,824.66 and 201,167.88

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Solution

The fourth proportional to 308,637.06, 425,824.66 and 201,167.88 is: 277,550.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,637.06 : 425,824.66 = 201,167.88 : x
  2. Step 2: Convert to fraction form
    308,637.06/425,824.66 = 201,167.88/x
  3. Step 3: Cross multiply
    308,637.06x = 425,824.66 × 201,167.88
  4. Step 4: Simplify right side
    308,637.06x = 85,662,244,103.92
  5. Step 5: Solve for x
    x = 85,662,244,103.92/308,637.06
  6. Step 6: Final answer
    x = 277,550.09

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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.