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Finding the Fourth Proportional to 203,284.85, 304,805.78 and 124,455.65

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Solution

The fourth proportional to 203,284.85, 304,805.78 and 124,455.65 is: 186,609.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,284.85 : 304,805.78 = 124,455.65 : x
  2. Step 2: Convert to fraction form
    203,284.85/304,805.78 = 124,455.65/x
  3. Step 3: Cross multiply
    203,284.85x = 304,805.78 × 124,455.65
  4. Step 4: Simplify right side
    203,284.85x = 37,934,800,851.38
  5. Step 5: Solve for x
    x = 37,934,800,851.38/203,284.85
  6. Step 6: Final answer
    x = 186,609.09

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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.