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Finding the Fourth Proportional to 204,546.60, 306,531.90 and 162,498.60

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Solution

The fourth proportional to 204,546.60, 306,531.90 and 162,498.60 is: 243,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,546.60 : 306,531.90 = 162,498.60 : x
  2. Step 2: Convert to fraction form
    204,546.60/306,531.90 = 162,498.60/x
  3. Step 3: Cross multiply
    204,546.60x = 306,531.90 × 162,498.60
  4. Step 4: Simplify right side
    204,546.60x = 49,811,004,605.34
  5. Step 5: Solve for x
    x = 49,811,004,605.34/204,546.60
  6. Step 6: Final answer
    x = 243,519.10

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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.