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Finding the Fourth Proportional to 68,941.68, 103,429.14 and 23,956.50

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Solution

The fourth proportional to 68,941.68, 103,429.14 and 23,956.50 is: 35,940.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,941.68 : 103,429.14 = 23,956.50 : x
  2. Step 2: Convert to fraction form
    68,941.68/103,429.14 = 23,956.50/x
  3. Step 3: Cross multiply
    68,941.68x = 103,429.14 × 23,956.50
  4. Step 4: Simplify right side
    68,941.68x = 2,477,800,192.41
  5. Step 5: Solve for x
    x = 2,477,800,192.41/68,941.68
  6. Step 6: Final answer
    x = 35,940.53

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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.