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Finding the Fourth Proportional to 248,718.80, 372,941.40 and 169,922

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Solution

The fourth proportional to 248,718.80, 372,941.40 and 169,922 is: 254,789.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,718.80 : 372,941.40 = 169,922 : x
  2. Step 2: Convert to fraction form
    248,718.80/372,941.40 = 169,922/x
  3. Step 3: Cross multiply
    248,718.80x = 372,941.40 × 169,922
  4. Step 4: Simplify right side
    248,718.80x = 63,370,948,570.80
  5. Step 5: Solve for x
    x = 63,370,948,570.80/248,718.80
  6. Step 6: Final answer
    x = 254,789.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.