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Finding the Fourth Proportional to 73,844, 110,812.08 and 30,068

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Solution

The fourth proportional to 73,844, 110,812.08 and 30,068 is: 45,120.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,844 : 110,812.08 = 30,068 : x
  2. Step 2: Convert to fraction form
    73,844/110,812.08 = 30,068/x
  3. Step 3: Cross multiply
    73,844x = 110,812.08 × 30,068
  4. Step 4: Simplify right side
    73,844x = 3,331,897,621.44
  5. Step 5: Solve for x
    x = 3,331,897,621.44/73,844
  6. Step 6: Final answer
    x = 45,120.76

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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.