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Finding the Fourth Proportional to 195,879.47, 270,371.42 and 127,907.00

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Solution

The fourth proportional to 195,879.47, 270,371.42 and 127,907.00 is: 176,549.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,879.47 : 270,371.42 = 127,907.00 : x
  2. Step 2: Convert to fraction form
    195,879.47/270,371.42 = 127,907.00/x
  3. Step 3: Cross multiply
    195,879.47x = 270,371.42 × 127,907.00
  4. Step 4: Simplify right side
    195,879.47x = 34,582,396,720.09
  5. Step 5: Solve for x
    x = 34,582,396,720.09/195,879.47
  6. Step 6: Final answer
    x = 176,549.37

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1.5x scale

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.