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Finding the Fourth Proportional to 69,499.62, 104,298.03 and 48,489.84

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Solution

The fourth proportional to 69,499.62, 104,298.03 and 48,489.84 is: 72,768.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,499.62 : 104,298.03 = 48,489.84 : x
  2. Step 2: Convert to fraction form
    69,499.62/104,298.03 = 48,489.84/x
  3. Step 3: Cross multiply
    69,499.62x = 104,298.03 × 48,489.84
  4. Step 4: Simplify right side
    69,499.62x = 5,057,394,787.02
  5. Step 5: Solve for x
    x = 5,057,394,787.02/69,499.62
  6. Step 6: Final answer
    x = 72,768.67

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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.