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Finding the Fourth Proportional to 103,855.70, 155,761.68 and 37,299.62

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Solution

The fourth proportional to 103,855.70, 155,761.68 and 37,299.62 is: 55,941.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,855.70 : 155,761.68 = 37,299.62 : x
  2. Step 2: Convert to fraction form
    103,855.70/155,761.68 = 37,299.62/x
  3. Step 3: Cross multiply
    103,855.70x = 155,761.68 × 37,299.62
  4. Step 4: Simplify right side
    103,855.70x = 5,809,851,474.56
  5. Step 5: Solve for x
    x = 5,809,851,474.56/103,855.70
  6. Step 6: Final answer
    x = 55,941.58

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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.