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Finding the Fourth Proportional to 270,090.99, 372,716.03 and 149,230.08

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Solution

The fourth proportional to 270,090.99, 372,716.03 and 149,230.08 is: 205,932.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,090.99 : 372,716.03 = 149,230.08 : x
  2. Step 2: Convert to fraction form
    270,090.99/372,716.03 = 149,230.08/x
  3. Step 3: Cross multiply
    270,090.99x = 372,716.03 × 149,230.08
  4. Step 4: Simplify right side
    270,090.99x = 55,620,443,347.26
  5. Step 5: Solve for x
    x = 55,620,443,347.26/270,090.99
  6. Step 6: Final answer
    x = 205,932.24

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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.