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Finding the Fourth Proportional to 270,004.80, 372,599.04 and 149,144.16

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Solution

The fourth proportional to 270,004.80, 372,599.04 and 149,144.16 is: 205,814.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,004.80 : 372,599.04 = 149,144.16 : x
  2. Step 2: Convert to fraction form
    270,004.80/372,599.04 = 149,144.16/x
  3. Step 3: Cross multiply
    270,004.80x = 372,599.04 × 149,144.16
  4. Step 4: Simplify right side
    270,004.80x = 55,570,970,837.61
  5. Step 5: Solve for x
    x = 55,570,970,837.61/270,004.80
  6. Step 6: Final answer
    x = 205,814.75

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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.