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Finding the Fourth Proportional to 100,602.52, 150,936.46 and 48,005.16

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Solution

The fourth proportional to 100,602.52, 150,936.46 and 48,005.16 is: 72,023.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,602.52 : 150,936.46 = 48,005.16 : x
  2. Step 2: Convert to fraction form
    100,602.52/150,936.46 = 48,005.16/x
  3. Step 3: Cross multiply
    100,602.52x = 150,936.46 × 48,005.16
  4. Step 4: Simplify right side
    100,602.52x = 7,245,728,912.13
  5. Step 5: Solve for x
    x = 7,245,728,912.13/100,602.52
  6. Step 6: Final answer
    x = 72,023.33

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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.