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Finding the Fourth Proportional to 171,243.56, 236,542.04 and 131,449.08

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Solution

The fourth proportional to 171,243.56, 236,542.04 and 131,449.08 is: 181,573.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,243.56 : 236,542.04 = 131,449.08 : x
  2. Step 2: Convert to fraction form
    171,243.56/236,542.04 = 131,449.08/x
  3. Step 3: Cross multiply
    171,243.56x = 236,542.04 × 131,449.08
  4. Step 4: Simplify right side
    171,243.56x = 31,093,233,539.32
  5. Step 5: Solve for x
    x = 31,093,233,539.32/171,243.56
  6. Step 6: Final answer
    x = 181,573.16

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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.