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Finding the Fourth Proportional to 404,101.99, 606,130.99 and 123,619.24

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Solution

The fourth proportional to 404,101.99, 606,130.99 and 123,619.24 is: 185,422.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,101.99 : 606,130.99 = 123,619.24 : x
  2. Step 2: Convert to fraction form
    404,101.99/606,130.99 = 123,619.24/x
  3. Step 3: Cross multiply
    404,101.99x = 606,130.99 × 123,619.24
  4. Step 4: Simplify right side
    404,101.99x = 74,929,452,324.25
  5. Step 5: Solve for x
    x = 74,929,452,324.25/404,101.99
  6. Step 6: Final answer
    x = 185,422.13

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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.