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Finding the Fourth Proportional to 234,769, 352,205.34 and 87,025

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Solution

The fourth proportional to 234,769, 352,205.34 and 87,025 is: 130,556.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,769 : 352,205.34 = 87,025 : x
  2. Step 2: Convert to fraction form
    234,769/352,205.34 = 87,025/x
  3. Step 3: Cross multiply
    234,769x = 352,205.34 × 87,025
  4. Step 4: Simplify right side
    234,769x = 30,650,669,713.50
  5. Step 5: Solve for x
    x = 30,650,669,713.50/234,769
  6. Step 6: Final answer
    x = 130,556.72

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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.