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Finding the Fourth Proportional to 94,759.67, 130,768.31 and 54,481.31

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Solution

The fourth proportional to 94,759.67, 130,768.31 and 54,481.31 is: 75,184.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,759.67 : 130,768.31 = 54,481.31 : x
  2. Step 2: Convert to fraction form
    94,759.67/130,768.31 = 54,481.31/x
  3. Step 3: Cross multiply
    94,759.67x = 130,768.31 × 54,481.31
  4. Step 4: Simplify right side
    94,759.67x = 7,124,427,909.04
  5. Step 5: Solve for x
    x = 7,124,427,909.04/94,759.67
  6. Step 6: Final answer
    x = 75,184.18

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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.