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Finding the Fourth Proportional to 103,664.33, 155,496.50 and 33,550.73

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Solution

The fourth proportional to 103,664.33, 155,496.50 and 33,550.73 is: 50,326.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,664.33 : 155,496.50 = 33,550.73 : x
  2. Step 2: Convert to fraction form
    103,664.33/155,496.50 = 33,550.73/x
  3. Step 3: Cross multiply
    103,664.33x = 155,496.50 × 33,550.73
  4. Step 4: Simplify right side
    103,664.33x = 5,217,021,087.45
  5. Step 5: Solve for x
    x = 5,217,021,087.45/103,664.33
  6. Step 6: Final answer
    x = 50,326.10

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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.