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Finding the Fourth Proportional to 94,753, 130,759.14 and 55,009

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Solution

The fourth proportional to 94,753, 130,759.14 and 55,009 is: 75,912.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,753 : 130,759.14 = 55,009 : x
  2. Step 2: Convert to fraction form
    94,753/130,759.14 = 55,009/x
  3. Step 3: Cross multiply
    94,753x = 130,759.14 × 55,009
  4. Step 4: Simplify right side
    94,753x = 7,192,929,532.26
  5. Step 5: Solve for x
    x = 7,192,929,532.26/94,753
  6. Step 6: Final answer
    x = 75,912.42

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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.