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Finding the Fourth Proportional to 245,712.37, 368,527.44 and 68,237.32

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Solution

The fourth proportional to 245,712.37, 368,527.44 and 68,237.32 is: 102,344.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,712.37 : 368,527.44 = 68,237.32 : x
  2. Step 2: Convert to fraction form
    245,712.37/368,527.44 = 68,237.32/x
  3. Step 3: Cross multiply
    245,712.37x = 368,527.44 × 68,237.32
  4. Step 4: Simplify right side
    245,712.37x = 25,147,324,852.06
  5. Step 5: Solve for x
    x = 25,147,324,852.06/245,712.37
  6. Step 6: Final answer
    x = 102,344.56

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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.