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Finding the Fourth Proportional to 73,989.60, 110,985.43 and 24,069.96

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Solution

The fourth proportional to 73,989.60, 110,985.43 and 24,069.96 is: 36,105.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,989.60 : 110,985.43 = 24,069.96 : x
  2. Step 2: Convert to fraction form
    73,989.60/110,985.43 = 24,069.96/x
  3. Step 3: Cross multiply
    73,989.60x = 110,985.43 × 24,069.96
  4. Step 4: Simplify right side
    73,989.60x = 2,671,414,860.68
  5. Step 5: Solve for x
    x = 2,671,414,860.68/73,989.60
  6. Step 6: Final answer
    x = 36,105.28

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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.