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Finding the Fourth Proportional to 336,714.09, 505,093.41 and 112,065.45

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Solution

The fourth proportional to 336,714.09, 505,093.41 and 112,065.45 is: 168,105.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,714.09 : 505,093.41 = 112,065.45 : x
  2. Step 2: Convert to fraction form
    336,714.09/505,093.41 = 112,065.45/x
  3. Step 3: Cross multiply
    336,714.09x = 505,093.41 × 112,065.45
  4. Step 4: Simplify right side
    336,714.09x = 56,603,520,283.68
  5. Step 5: Solve for x
    x = 56,603,520,283.68/336,714.09
  6. Step 6: Final answer
    x = 168,105.59

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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.