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Finding the Fourth Proportional to 192,297.02, 288,264.09 and 67,569.98

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Solution

The fourth proportional to 192,297.02, 288,264.09 and 67,569.98 is: 101,291.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,297.02 : 288,264.09 = 67,569.98 : x
  2. Step 2: Convert to fraction form
    192,297.02/288,264.09 = 67,569.98/x
  3. Step 3: Cross multiply
    192,297.02x = 288,264.09 × 67,569.98
  4. Step 4: Simplify right side
    192,297.02x = 19,477,998,796.02
  5. Step 5: Solve for x
    x = 19,477,998,796.02/192,297.02
  6. Step 6: Final answer
    x = 101,291.21

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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.