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Finding the Fourth Proportional to 138,706.41, 208,059.69 and 33,525.39

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Solution

The fourth proportional to 138,706.41, 208,059.69 and 33,525.39 is: 50,288.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,706.41 : 208,059.69 = 33,525.39 : x
  2. Step 2: Convert to fraction form
    138,706.41/208,059.69 = 33,525.39/x
  3. Step 3: Cross multiply
    138,706.41x = 208,059.69 × 33,525.39
  4. Step 4: Simplify right side
    138,706.41x = 6,975,282,250.53
  5. Step 5: Solve for x
    x = 6,975,282,250.53/138,706.41
  6. Step 6: Final answer
    x = 50,288.10

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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.