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Finding the Fourth Proportional to 199,326.32, 274,914.60 and 127,713.32

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Solution

The fourth proportional to 199,326.32, 274,914.60 and 127,713.32 is: 176,144.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,326.32 : 274,914.60 = 127,713.32 : x
  2. Step 2: Convert to fraction form
    199,326.32/274,914.60 = 127,713.32/x
  3. Step 3: Cross multiply
    199,326.32x = 274,914.60 × 127,713.32
  4. Step 4: Simplify right side
    199,326.32x = 35,110,256,282.47
  5. Step 5: Solve for x
    x = 35,110,256,282.47/199,326.32
  6. Step 6: Final answer
    x = 176,144.61

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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.