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Finding the Fourth Proportional to 270,111.63, 372,805.62 and 178,069.41

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Solution

The fourth proportional to 270,111.63, 372,805.62 and 178,069.41 is: 245,769.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,111.63 : 372,805.62 = 178,069.41 : x
  2. Step 2: Convert to fraction form
    270,111.63/372,805.62 = 178,069.41/x
  3. Step 3: Cross multiply
    270,111.63x = 372,805.62 × 178,069.41
  4. Step 4: Simplify right side
    270,111.63x = 66,385,276,798.08
  5. Step 5: Solve for x
    x = 66,385,276,798.08/270,111.63
  6. Step 6: Final answer
    x = 245,769.78

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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.