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Finding the Fourth Proportional to 192,559.14, 288,864.63 and 67,870.98

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Solution

The fourth proportional to 192,559.14, 288,864.63 and 67,870.98 is: 101,815.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,559.14 : 288,864.63 = 67,870.98 : x
  2. Step 2: Convert to fraction form
    192,559.14/288,864.63 = 67,870.98/x
  3. Step 3: Cross multiply
    192,559.14x = 288,864.63 × 67,870.98
  4. Step 4: Simplify right side
    192,559.14x = 19,605,525,525.44
  5. Step 5: Solve for x
    x = 19,605,525,525.44/192,559.14
  6. Step 6: Final answer
    x = 101,815.61

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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.