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Finding the Fourth Proportional to 247,198.37, 370,764.72 and 69,719.67

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Solution

The fourth proportional to 247,198.37, 370,764.72 and 69,719.67 is: 104,570.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,198.37 : 370,764.72 = 69,719.67 : x
  2. Step 2: Convert to fraction form
    247,198.37/370,764.72 = 69,719.67/x
  3. Step 3: Cross multiply
    247,198.37x = 370,764.72 × 69,719.67
  4. Step 4: Simplify right side
    247,198.37x = 25,849,593,926.04
  5. Step 5: Solve for x
    x = 25,849,593,926.04/247,198.37
  6. Step 6: Final answer
    x = 104,570.25

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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.