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Finding the Fourth Proportional to 100,369.64, 150,554.75 and 33,856.49

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Solution

The fourth proportional to 100,369.64, 150,554.75 and 33,856.49 is: 50,784.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,369.64 : 150,554.75 = 33,856.49 : x
  2. Step 2: Convert to fraction form
    100,369.64/150,554.75 = 33,856.49/x
  3. Step 3: Cross multiply
    100,369.64x = 150,554.75 × 33,856.49
  4. Step 4: Simplify right side
    100,369.64x = 5,097,255,594.93
  5. Step 5: Solve for x
    x = 5,097,255,594.93/100,369.64
  6. Step 6: Final answer
    x = 50,784.83

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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.