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Finding the Fourth Proportional to 336,768.42, 505,235.80 and 100,110.10

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Solution

The fourth proportional to 336,768.42, 505,235.80 and 100,110.10 is: 150,189.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,768.42 : 505,235.80 = 100,110.10 : x
  2. Step 2: Convert to fraction form
    336,768.42/505,235.80 = 100,110.10/x
  3. Step 3: Cross multiply
    336,768.42x = 505,235.80 × 100,110.10
  4. Step 4: Simplify right side
    336,768.42x = 50,579,206,461.58
  5. Step 5: Solve for x
    x = 50,579,206,461.58/336,768.42
  6. Step 6: Final answer
    x = 150,189.87

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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.