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Finding the Fourth Proportional to 68,262.46, 102,390.50 and 23,899.16

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Solution

The fourth proportional to 68,262.46, 102,390.50 and 23,899.16 is: 35,847.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,262.46 : 102,390.50 = 23,899.16 : x
  2. Step 2: Convert to fraction form
    68,262.46/102,390.50 = 23,899.16/x
  3. Step 3: Cross multiply
    68,262.46x = 102,390.50 × 23,899.16
  4. Step 4: Simplify right side
    68,262.46x = 2,447,046,941.98
  5. Step 5: Solve for x
    x = 2,447,046,941.98/68,262.46
  6. Step 6: Final answer
    x = 35,847.62

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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.