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Finding the Fourth Proportional to 265,245.22, 397,927.97 and 87,751.95

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Solution

The fourth proportional to 265,245.22, 397,927.97 and 87,751.95 is: 131,647.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,245.22 : 397,927.97 = 87,751.95 : x
  2. Step 2: Convert to fraction form
    265,245.22/397,927.97 = 87,751.95/x
  3. Step 3: Cross multiply
    265,245.22x = 397,927.97 × 87,751.95
  4. Step 4: Simplify right side
    265,245.22x = 34,918,955,327.04
  5. Step 5: Solve for x
    x = 34,918,955,327.04/265,245.22
  6. Step 6: Final answer
    x = 131,647.82

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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.