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Finding the Fourth Proportional to 73,612.94, 110,396.17 and 23,681.91

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Solution

The fourth proportional to 73,612.94, 110,396.17 and 23,681.91 is: 35,515.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,612.94 : 110,396.17 = 23,681.91 : x
  2. Step 2: Convert to fraction form
    73,612.94/110,396.17 = 23,681.91/x
  3. Step 3: Cross multiply
    73,612.94x = 110,396.17 × 23,681.91
  4. Step 4: Simplify right side
    73,612.94x = 2,614,392,043.88
  5. Step 5: Solve for x
    x = 2,614,392,043.88/73,612.94
  6. Step 6: Final answer
    x = 35,515.39

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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.