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Finding the Fourth Proportional to 106,369.98, 159,554.97 and 61,996.56

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Solution

The fourth proportional to 106,369.98, 159,554.97 and 61,996.56 is: 92,994.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,369.98 : 159,554.97 = 61,996.56 : x
  2. Step 2: Convert to fraction form
    106,369.98/159,554.97 = 61,996.56/x
  3. Step 3: Cross multiply
    106,369.98x = 159,554.97 × 61,996.56
  4. Step 4: Simplify right side
    106,369.98x = 9,891,859,270.90
  5. Step 5: Solve for x
    x = 9,891,859,270.90/106,369.98
  6. Step 6: Final answer
    x = 92,994.84

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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.