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Finding the Fourth Proportional to 297,137.60, 445,509.60 and 164,081.60

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Solution

The fourth proportional to 297,137.60, 445,509.60 and 164,081.60 is: 246,013.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,137.60 : 445,509.60 = 164,081.60 : x
  2. Step 2: Convert to fraction form
    297,137.60/445,509.60 = 164,081.60/x
  3. Step 3: Cross multiply
    297,137.60x = 445,509.60 × 164,081.60
  4. Step 4: Simplify right side
    297,137.60x = 73,099,927,983.36
  5. Step 5: Solve for x
    x = 73,099,927,983.36/297,137.60
  6. Step 6: Final answer
    x = 246,013.73

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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.