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Finding the Fourth Proportional to 183,634.80, 275,452.20 and 108,985.20

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Solution

The fourth proportional to 183,634.80, 275,452.20 and 108,985.20 is: 163,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,634.80 : 275,452.20 = 108,985.20 : x
  2. Step 2: Convert to fraction form
    183,634.80/275,452.20 = 108,985.20/x
  3. Step 3: Cross multiply
    183,634.80x = 275,452.20 × 108,985.20
  4. Step 4: Simplify right side
    183,634.80x = 30,020,213,107.44
  5. Step 5: Solve for x
    x = 30,020,213,107.44/183,634.80
  6. Step 6: Final answer
    x = 163,477.80

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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.