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Finding the Fourth Proportional to 245,769.27, 368,653.76 and 140,514.44

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Solution

The fourth proportional to 245,769.27, 368,653.76 and 140,514.44 is: 210,771.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,769.27 : 368,653.76 = 140,514.44 : x
  2. Step 2: Convert to fraction form
    245,769.27/368,653.76 = 140,514.44/x
  3. Step 3: Cross multiply
    245,769.27x = 368,653.76 × 140,514.44
  4. Step 4: Simplify right side
    245,769.27x = 51,801,174,094.45
  5. Step 5: Solve for x
    x = 51,801,174,094.45/245,769.27
  6. Step 6: Final answer
    x = 210,771.57

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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.