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Finding the Fourth Proportional to 68,221.71, 102,341.79 and 23,838.03

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Solution

The fourth proportional to 68,221.71, 102,341.79 and 23,838.03 is: 35,760.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,221.71 : 102,341.79 = 23,838.03 : x
  2. Step 2: Convert to fraction form
    68,221.71/102,341.79 = 23,838.03/x
  3. Step 3: Cross multiply
    68,221.71x = 102,341.79 × 23,838.03
  4. Step 4: Simplify right side
    68,221.71x = 2,439,626,660.27
  5. Step 5: Solve for x
    x = 2,439,626,660.27/68,221.71
  6. Step 6: Final answer
    x = 35,760.27

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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.