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Finding the Fourth Proportional to 100,850.77, 151,162.36 and 44,683.49

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Solution

The fourth proportional to 100,850.77, 151,162.36 and 44,683.49 is: 66,974.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,850.77 : 151,162.36 = 44,683.49 : x
  2. Step 2: Convert to fraction form
    100,850.77/151,162.36 = 44,683.49/x
  3. Step 3: Cross multiply
    100,850.77x = 151,162.36 × 44,683.49
  4. Step 4: Simplify right side
    100,850.77x = 6,754,461,318.95
  5. Step 5: Solve for x
    x = 6,754,461,318.95/100,850.77
  6. Step 6: Final answer
    x = 66,974.81

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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.