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Finding the Fourth Proportional to 73,690.72, 110,557.61 and 23,769.71

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Solution

The fourth proportional to 73,690.72, 110,557.61 and 23,769.71 is: 35,661.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,690.72 : 110,557.61 = 23,769.71 : x
  2. Step 2: Convert to fraction form
    73,690.72/110,557.61 = 23,769.71/x
  3. Step 3: Cross multiply
    73,690.72x = 110,557.61 × 23,769.71
  4. Step 4: Simplify right side
    73,690.72x = 2,627,922,915.68
  5. Step 5: Solve for x
    x = 2,627,922,915.68/73,690.72
  6. Step 6: Final answer
    x = 35,661.52

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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.