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Finding the Fourth Proportional to 100,005.54, 150,049.98 and 43,885.98

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Solution

The fourth proportional to 100,005.54, 150,049.98 and 43,885.98 is: 65,847.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,005.54 : 150,049.98 = 43,885.98 : x
  2. Step 2: Convert to fraction form
    100,005.54/150,049.98 = 43,885.98/x
  3. Step 3: Cross multiply
    100,005.54x = 150,049.98 × 43,885.98
  4. Step 4: Simplify right side
    100,005.54x = 6,585,090,421.28
  5. Step 5: Solve for x
    x = 6,585,090,421.28/100,005.54
  6. Step 6: Final answer
    x = 65,847.26

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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.