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Finding the Fourth Proportional to 204,593.40, 306,693.25 and 104,800.59

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Solution

The fourth proportional to 204,593.40, 306,693.25 and 104,800.59 is: 157,100.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,593.40 : 306,693.25 = 104,800.59 : x
  2. Step 2: Convert to fraction form
    204,593.40/306,693.25 = 104,800.59/x
  3. Step 3: Cross multiply
    204,593.40x = 306,693.25 × 104,800.59
  4. Step 4: Simplify right side
    204,593.40x = 32,141,633,287.02
  5. Step 5: Solve for x
    x = 32,141,633,287.02/204,593.40
  6. Step 6: Final answer
    x = 157,100.05

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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.