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Finding the Fourth Proportional to 68,002.71, 102,020.46 and 23,623.01

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Solution

The fourth proportional to 68,002.71, 102,020.46 and 23,623.01 is: 35,440.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,002.71 : 102,020.46 = 23,623.01 : x
  2. Step 2: Convert to fraction form
    68,002.71/102,020.46 = 23,623.01/x
  3. Step 3: Cross multiply
    68,002.71x = 102,020.46 × 23,623.01
  4. Step 4: Simplify right side
    68,002.71x = 2,410,030,346.78
  5. Step 5: Solve for x
    x = 2,410,030,346.78/68,002.71
  6. Step 6: Final answer
    x = 35,440.21

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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.