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Finding the Fourth Proportional to 69,459.56, 95,848.49 and 39,247.50

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Solution

The fourth proportional to 69,459.56, 95,848.49 and 39,247.50 is: 54,158.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,459.56 : 95,848.49 = 39,247.50 : x
  2. Step 2: Convert to fraction form
    69,459.56/95,848.49 = 39,247.50/x
  3. Step 3: Cross multiply
    69,459.56x = 95,848.49 × 39,247.50
  4. Step 4: Simplify right side
    69,459.56x = 3,761,813,709.39
  5. Step 5: Solve for x
    x = 3,761,813,709.39/69,459.56
  6. Step 6: Final answer
    x = 54,158.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.