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Finding the Fourth Proportional to 66,668.96, 100,000.19 and 16,747.92

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Solution

The fourth proportional to 66,668.96, 100,000.19 and 16,747.92 is: 25,121.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,668.96 : 100,000.19 = 16,747.92 : x
  2. Step 2: Convert to fraction form
    66,668.96/100,000.19 = 16,747.92/x
  3. Step 3: Cross multiply
    66,668.96x = 100,000.19 × 16,747.92
  4. Step 4: Simplify right side
    66,668.96x = 1,674,795,098.37
  5. Step 5: Solve for x
    x = 1,674,795,098.37/66,668.96
  6. Step 6: Final answer
    x = 25,121.06

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1.5x scale

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.