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Finding the Fourth Proportional to 123,055.99, 169,817.37 and 66,467.37

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Solution

The fourth proportional to 123,055.99, 169,817.37 and 66,467.37 is: 91,725.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,055.99 : 169,817.37 = 66,467.37 : x
  2. Step 2: Convert to fraction form
    123,055.99/169,817.37 = 66,467.37/x
  3. Step 3: Cross multiply
    123,055.99x = 169,817.37 × 66,467.37
  4. Step 4: Simplify right side
    123,055.99x = 11,287,313,964.22
  5. Step 5: Solve for x
    x = 11,287,313,964.22/123,055.99
  6. Step 6: Final answer
    x = 91,725.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.