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Finding the Fourth Proportional to 204,044.60, 306,066.90 and 190,047.80

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Solution

The fourth proportional to 204,044.60, 306,066.90 and 190,047.80 is: 285,071.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,044.60 : 306,066.90 = 190,047.80 : x
  2. Step 2: Convert to fraction form
    204,044.60/306,066.90 = 190,047.80/x
  3. Step 3: Cross multiply
    204,044.60x = 306,066.90 × 190,047.80
  4. Step 4: Simplify right side
    204,044.60x = 58,167,340,997.82
  5. Step 5: Solve for x
    x = 58,167,340,997.82/204,044.60
  6. Step 6: Final answer
    x = 285,071.70

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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.