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Finding the Fourth Proportional to 245,722.53, 339,201.72 and 165,196.77

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Solution

The fourth proportional to 245,722.53, 339,201.72 and 165,196.77 is: 228,041.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,722.53 : 339,201.72 = 165,196.77 : x
  2. Step 2: Convert to fraction form
    245,722.53/339,201.72 = 165,196.77/x
  3. Step 3: Cross multiply
    245,722.53x = 339,201.72 × 165,196.77
  4. Step 4: Simplify right side
    245,722.53x = 56,035,028,522.44
  5. Step 5: Solve for x
    x = 56,035,028,522.44/245,722.53
  6. Step 6: Final answer
    x = 228,041.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.