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Finding the Fourth Proportional to 100,484.02, 150,611.37 and 40,474.09

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Solution

The fourth proportional to 100,484.02, 150,611.37 and 40,474.09 is: 60,664.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,484.02 : 150,611.37 = 40,474.09 : x
  2. Step 2: Convert to fraction form
    100,484.02/150,611.37 = 40,474.09/x
  3. Step 3: Cross multiply
    100,484.02x = 150,611.37 × 40,474.09
  4. Step 4: Simplify right side
    100,484.02x = 6,095,857,561.37
  5. Step 5: Solve for x
    x = 6,095,857,561.37/100,484.02
  6. Step 6: Final answer
    x = 60,664.94

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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.