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Finding the Fourth Proportional to 270,092.64, 372,730.71 and 149,230.92

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Solution

The fourth proportional to 270,092.64, 372,730.71 and 149,230.92 is: 205,940.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,092.64 : 372,730.71 = 149,230.92 : x
  2. Step 2: Convert to fraction form
    270,092.64/372,730.71 = 149,230.92/x
  3. Step 3: Cross multiply
    270,092.64x = 372,730.71 × 149,230.92
  4. Step 4: Simplify right side
    270,092.64x = 55,622,946,765.55
  5. Step 5: Solve for x
    x = 55,622,946,765.55/270,092.64
  6. Step 6: Final answer
    x = 205,940.25

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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.