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Finding the Fourth Proportional to 133,940.11, 200,940.86 and 58,051.39

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Solution

The fourth proportional to 133,940.11, 200,940.86 and 58,051.39 is: 87,090.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,940.11 : 200,940.86 = 58,051.39 : x
  2. Step 2: Convert to fraction form
    133,940.11/200,940.86 = 58,051.39/x
  3. Step 3: Cross multiply
    133,940.11x = 200,940.86 × 58,051.39
  4. Step 4: Simplify right side
    133,940.11x = 11,664,896,230.80
  5. Step 5: Solve for x
    x = 11,664,896,230.80/133,940.11
  6. Step 6: Final answer
    x = 87,090.39

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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.