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Finding the Fourth Proportional to 173,254.20, 259,881.30 and 162,756.60

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Solution

The fourth proportional to 173,254.20, 259,881.30 and 162,756.60 is: 244,134.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,254.20 : 259,881.30 = 162,756.60 : x
  2. Step 2: Convert to fraction form
    173,254.20/259,881.30 = 162,756.60/x
  3. Step 3: Cross multiply
    173,254.20x = 259,881.30 × 162,756.60
  4. Step 4: Simplify right side
    173,254.20x = 42,297,396,791.58
  5. Step 5: Solve for x
    x = 42,297,396,791.58/173,254.20
  6. Step 6: Final answer
    x = 244,134.90

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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.