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Finding the Fourth Proportional to 73,987.89, 110,982.87 and 24,068.25

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Solution

The fourth proportional to 73,987.89, 110,982.87 and 24,068.25 is: 36,102.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,987.89 : 110,982.87 = 24,068.25 : x
  2. Step 2: Convert to fraction form
    73,987.89/110,982.87 = 24,068.25/x
  3. Step 3: Cross multiply
    73,987.89x = 110,982.87 × 24,068.25
  4. Step 4: Simplify right side
    73,987.89x = 2,671,163,460.88
  5. Step 5: Solve for x
    x = 2,671,163,460.88/73,987.89
  6. Step 6: Final answer
    x = 36,102.71

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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.