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Finding the Fourth Proportional to 247,282.78, 370,872.26 and 69,748.27

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Solution

The fourth proportional to 247,282.78, 370,872.26 and 69,748.27 is: 104,607.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,282.78 : 370,872.26 = 69,748.27 : x
  2. Step 2: Convert to fraction form
    247,282.78/370,872.26 = 69,748.27/x
  3. Step 3: Cross multiply
    247,282.78x = 370,872.26 × 69,748.27
  4. Step 4: Simplify right side
    247,282.78x = 25,867,698,525.99
  5. Step 5: Solve for x
    x = 25,867,698,525.99/247,282.78
  6. Step 6: Final answer
    x = 104,607.76

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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.