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Finding the Fourth Proportional to 192,450.94, 288,602.61 and 66,067.63

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Solution

The fourth proportional to 192,450.94, 288,602.61 and 66,067.63 is: 99,076.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,450.94 : 288,602.61 = 66,067.63 : x
  2. Step 2: Convert to fraction form
    192,450.94/288,602.61 = 66,067.63/x
  3. Step 3: Cross multiply
    192,450.94x = 288,602.61 × 66,067.63
  4. Step 4: Simplify right side
    192,450.94x = 19,067,290,454.51
  5. Step 5: Solve for x
    x = 19,067,290,454.51/192,450.94
  6. Step 6: Final answer
    x = 99,076.11

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1.5x scale

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.