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Finding the Fourth Proportional to 404,102.01, 606,131.05 and 123,619.26

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Solution

The fourth proportional to 404,102.01, 606,131.05 and 123,619.26 is: 185,422.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,102.01 : 606,131.05 = 123,619.26 : x
  2. Step 2: Convert to fraction form
    404,102.01/606,131.05 = 123,619.26/x
  3. Step 3: Cross multiply
    404,102.01x = 606,131.05 × 123,619.26
  4. Step 4: Simplify right side
    404,102.01x = 74,929,474,059.75
  5. Step 5: Solve for x
    x = 74,929,474,059.75/404,102.01
  6. Step 6: Final answer
    x = 185,422.17

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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.