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Finding the Fourth Proportional to 101,989.24, 152,874.48 and 49,326.28

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Solution

The fourth proportional to 101,989.24, 152,874.48 and 49,326.28 is: 73,936.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,989.24 : 152,874.48 = 49,326.28 : x
  2. Step 2: Convert to fraction form
    101,989.24/152,874.48 = 49,326.28/x
  3. Step 3: Cross multiply
    101,989.24x = 152,874.48 × 49,326.28
  4. Step 4: Simplify right side
    101,989.24x = 7,540,729,405.33
  5. Step 5: Solve for x
    x = 7,540,729,405.33/101,989.24
  6. Step 6: Final answer
    x = 73,936.52

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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.