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Finding the Fourth Proportional to 192,356.80, 288,508.23 and 65,994.98

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Solution

The fourth proportional to 192,356.80, 288,508.23 and 65,994.98 is: 98,983.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,356.80 : 288,508.23 = 65,994.98 : x
  2. Step 2: Convert to fraction form
    192,356.80/288,508.23 = 65,994.98/x
  3. Step 3: Cross multiply
    192,356.80x = 288,508.23 × 65,994.98
  4. Step 4: Simplify right side
    192,356.80x = 19,040,093,426.14
  5. Step 5: Solve for x
    x = 19,040,093,426.14/192,356.80
  6. Step 6: Final answer
    x = 98,983.21

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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.