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Finding the Fourth Proportional to 100,235.32, 150,392.34 and 41,099.32

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Solution

The fourth proportional to 100,235.32, 150,392.34 and 41,099.32 is: 61,665.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,235.32 : 150,392.34 = 41,099.32 : x
  2. Step 2: Convert to fraction form
    100,235.32/150,392.34 = 41,099.32/x
  3. Step 3: Cross multiply
    100,235.32x = 150,392.34 × 41,099.32
  4. Step 4: Simplify right side
    100,235.32x = 6,181,022,907.21
  5. Step 5: Solve for x
    x = 6,181,022,907.21/100,235.32
  6. Step 6: Final answer
    x = 61,665.12

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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.