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Finding the Fourth Proportional to 195,381.48, 293,063.41 and 81,482.38

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Solution

The fourth proportional to 195,381.48, 293,063.41 and 81,482.38 is: 122,219.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,381.48 : 293,063.41 = 81,482.38 : x
  2. Step 2: Convert to fraction form
    195,381.48/293,063.41 = 81,482.38/x
  3. Step 3: Cross multiply
    195,381.48x = 293,063.41 × 81,482.38
  4. Step 4: Simplify right side
    195,381.48x = 23,879,504,137.72
  5. Step 5: Solve for x
    x = 23,879,504,137.72/195,381.48
  6. Step 6: Final answer
    x = 122,219.90

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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.