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Finding the Fourth Proportional to 183,067.80, 274,390.80 and 70,698.48

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Solution

The fourth proportional to 183,067.80, 274,390.80 and 70,698.48 is: 105,966.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,067.80 : 274,390.80 = 70,698.48 : x
  2. Step 2: Convert to fraction form
    183,067.80/274,390.80 = 70,698.48/x
  3. Step 3: Cross multiply
    183,067.80x = 274,390.80 × 70,698.48
  4. Step 4: Simplify right side
    183,067.80x = 19,399,012,485.98
  5. Step 5: Solve for x
    x = 19,399,012,485.98/183,067.80
  6. Step 6: Final answer
    x = 105,966.27

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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.