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Finding the Fourth Proportional to 104,777.84, 144,568.08 and 61,759.04

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Solution

The fourth proportional to 104,777.84, 144,568.08 and 61,759.04 is: 85,212.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,777.84 : 144,568.08 = 61,759.04 : x
  2. Step 2: Convert to fraction form
    104,777.84/144,568.08 = 61,759.04/x
  3. Step 3: Cross multiply
    104,777.84x = 144,568.08 × 61,759.04
  4. Step 4: Simplify right side
    104,777.84x = 8,928,385,835.44
  5. Step 5: Solve for x
    x = 8,928,385,835.44/104,777.84
  6. Step 6: Final answer
    x = 85,212.54

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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.