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Finding the Fourth Proportional to 168,740.44, 253,504.32 and 98,668.96

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Solution

The fourth proportional to 168,740.44, 253,504.32 and 98,668.96 is: 148,233.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,740.44 : 253,504.32 = 98,668.96 : x
  2. Step 2: Convert to fraction form
    168,740.44/253,504.32 = 98,668.96/x
  3. Step 3: Cross multiply
    168,740.44x = 253,504.32 × 98,668.96
  4. Step 4: Simplify right side
    168,740.44x = 25,013,007,609.91
  5. Step 5: Solve for x
    x = 25,013,007,609.91/168,740.44
  6. Step 6: Final answer
    x = 148,233.63

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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.