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Finding the Fourth Proportional to 136,249.54, 205,654.03 and 136,249.54

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Solution

The fourth proportional to 136,249.54, 205,654.03 and 136,249.54 is: 205,654.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,249.54 : 205,654.03 = 136,249.54 : x
  2. Step 2: Convert to fraction form
    136,249.54/205,654.03 = 136,249.54/x
  3. Step 3: Cross multiply
    136,249.54x = 205,654.03 × 136,249.54
  4. Step 4: Simplify right side
    136,249.54x = 28,020,266,986.65
  5. Step 5: Solve for x
    x = 28,020,266,986.65/136,249.54
  6. Step 6: Final answer
    x = 205,654.03

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.