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Finding the Fourth Proportional to 246,415.37, 369,566.55 and 68,940.32

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Solution

The fourth proportional to 246,415.37, 369,566.55 and 68,940.32 is: 103,394.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,415.37 : 369,566.55 = 68,940.32 : x
  2. Step 2: Convert to fraction form
    246,415.37/369,566.55 = 68,940.32/x
  3. Step 3: Cross multiply
    246,415.37x = 369,566.55 × 68,940.32
  4. Step 4: Simplify right side
    246,415.37x = 25,478,034,370.46
  5. Step 5: Solve for x
    x = 25,478,034,370.46/246,415.37
  6. Step 6: Final answer
    x = 103,394.67

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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.