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Finding the Fourth Proportional to 196,668.90, 294,980.67 and 54,524.70

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Solution

The fourth proportional to 196,668.90, 294,980.67 and 54,524.70 is: 81,780.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,668.90 : 294,980.67 = 54,524.70 : x
  2. Step 2: Convert to fraction form
    196,668.90/294,980.67 = 54,524.70/x
  3. Step 3: Cross multiply
    196,668.90x = 294,980.67 × 54,524.70
  4. Step 4: Simplify right side
    196,668.90x = 16,083,732,537.55
  5. Step 5: Solve for x
    x = 16,083,732,537.55/196,668.90
  6. Step 6: Final answer
    x = 81,780.76

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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.