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Finding the Fourth Proportional to 94,759.81, 130,768.83 and 51,739.39

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Solution

The fourth proportional to 94,759.81, 130,768.83 and 51,739.39 is: 71,400.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,759.81 : 130,768.83 = 51,739.39 : x
  2. Step 2: Convert to fraction form
    94,759.81/130,768.83 = 51,739.39/x
  3. Step 3: Cross multiply
    94,759.81x = 130,768.83 × 51,739.39
  4. Step 4: Simplify right side
    94,759.81x = 6,765,899,495.21
  5. Step 5: Solve for x
    x = 6,765,899,495.21/94,759.81
  6. Step 6: Final answer
    x = 71,400.52

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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.