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Finding the Fourth Proportional to 73,740.52, 110,611.18 and 18,336.52

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Solution

The fourth proportional to 73,740.52, 110,611.18 and 18,336.52 is: 27,504.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,740.52 : 110,611.18 = 18,336.52 : x
  2. Step 2: Convert to fraction form
    73,740.52/110,611.18 = 18,336.52/x
  3. Step 3: Cross multiply
    73,740.52x = 110,611.18 × 18,336.52
  4. Step 4: Simplify right side
    73,740.52x = 2,028,224,114.29
  5. Step 5: Solve for x
    x = 2,028,224,114.29/73,740.52
  6. Step 6: Final answer
    x = 27,504.88

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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.