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Finding the Fourth Proportional to 103,664.58, 155,496.87 and 33,550.98

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Solution

The fourth proportional to 103,664.58, 155,496.87 and 33,550.98 is: 50,326.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,664.58 : 155,496.87 = 33,550.98 : x
  2. Step 2: Convert to fraction form
    103,664.58/155,496.87 = 33,550.98/x
  3. Step 3: Cross multiply
    103,664.58x = 155,496.87 × 33,550.98
  4. Step 4: Simplify right side
    103,664.58x = 5,217,072,375.43
  5. Step 5: Solve for x
    x = 5,217,072,375.43/103,664.58
  6. Step 6: Final answer
    x = 50,326.47

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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.