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Finding the Fourth Proportional to 102,954.73, 154,343.23 and 39,819.08

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Solution

The fourth proportional to 102,954.73, 154,343.23 and 39,819.08 is: 59,694.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,954.73 : 154,343.23 = 39,819.08 : x
  2. Step 2: Convert to fraction form
    102,954.73/154,343.23 = 39,819.08/x
  3. Step 3: Cross multiply
    102,954.73x = 154,343.23 × 39,819.08
  4. Step 4: Simplify right side
    102,954.73x = 6,145,805,422.83
  5. Step 5: Solve for x
    x = 6,145,805,422.83/102,954.73
  6. Step 6: Final answer
    x = 59,694.25

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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.