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Finding the Fourth Proportional to 64,770.58, 96,984.55 and 50,759.20

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Solution

The fourth proportional to 64,770.58, 96,984.55 and 50,759.20 is: 76,004.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,770.58 : 96,984.55 = 50,759.20 : x
  2. Step 2: Convert to fraction form
    64,770.58/96,984.55 = 50,759.20/x
  3. Step 3: Cross multiply
    64,770.58x = 96,984.55 × 50,759.20
  4. Step 4: Simplify right side
    64,770.58x = 4,922,857,801.00
  5. Step 5: Solve for x
    x = 4,922,857,801.00/64,770.58
  6. Step 6: Final answer
    x = 76,004.54

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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.