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Finding the Fourth Proportional to 448,751.54, 672,930.03 and 168,071.96

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Solution

The fourth proportional to 448,751.54, 672,930.03 and 168,071.96 is: 252,034.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,751.54 : 672,930.03 = 168,071.96 : x
  2. Step 2: Convert to fraction form
    448,751.54/672,930.03 = 168,071.96/x
  3. Step 3: Cross multiply
    448,751.54x = 672,930.03 × 168,071.96
  4. Step 4: Simplify right side
    448,751.54x = 113,100,669,084.96
  5. Step 5: Solve for x
    x = 113,100,669,084.96/448,751.54
  6. Step 6: Final answer
    x = 252,034.05

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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.