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Finding the Fourth Proportional to 168,775.40, 253,163.10 and 44,116.40

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Solution

The fourth proportional to 168,775.40, 253,163.10 and 44,116.40 is: 66,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,775.40 : 253,163.10 = 44,116.40 : x
  2. Step 2: Convert to fraction form
    168,775.40/253,163.10 = 44,116.40/x
  3. Step 3: Cross multiply
    168,775.40x = 253,163.10 × 44,116.40
  4. Step 4: Simplify right side
    168,775.40x = 11,168,644,584.84
  5. Step 5: Solve for x
    x = 11,168,644,584.84/168,775.40
  6. Step 6: Final answer
    x = 66,174.60

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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.