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Finding the Fourth Proportional to 67,036.56, 100,593.72 and 30,100.56

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Solution

The fourth proportional to 67,036.56, 100,593.72 and 30,100.56 is: 45,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,036.56 : 100,593.72 = 30,100.56 : x
  2. Step 2: Convert to fraction form
    67,036.56/100,593.72 = 30,100.56/x
  3. Step 3: Cross multiply
    67,036.56x = 100,593.72 × 30,100.56
  4. Step 4: Simplify right side
    67,036.56x = 3,027,927,304.48
  5. Step 5: Solve for x
    x = 3,027,927,304.48/67,036.56
  6. Step 6: Final answer
    x = 45,168.30

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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.