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Finding the Fourth Proportional to 100,783.43, 151,081.55 and 44,593.53

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Solution

The fourth proportional to 100,783.43, 151,081.55 and 44,593.53 is: 66,848.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,783.43 : 151,081.55 = 44,593.53 : x
  2. Step 2: Convert to fraction form
    100,783.43/151,081.55 = 44,593.53/x
  3. Step 3: Cross multiply
    100,783.43x = 151,081.55 × 44,593.53
  4. Step 4: Simplify right side
    100,783.43x = 6,737,259,632.37
  5. Step 5: Solve for x
    x = 6,737,259,632.37/100,783.43
  6. Step 6: Final answer
    x = 66,848.88

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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.