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Finding the Fourth Proportional to 265,769.67, 398,654.52 and 108,010.44

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Solution

The fourth proportional to 265,769.67, 398,654.52 and 108,010.44 is: 162,015.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,769.67 : 398,654.52 = 108,010.44 : x
  2. Step 2: Convert to fraction form
    265,769.67/398,654.52 = 108,010.44/x
  3. Step 3: Cross multiply
    265,769.67x = 398,654.52 × 108,010.44
  4. Step 4: Simplify right side
    265,769.67x = 43,058,850,113.19
  5. Step 5: Solve for x
    x = 43,058,850,113.19/265,769.67
  6. Step 6: Final answer
    x = 162,015.67

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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.