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Finding the Fourth Proportional to 73,484.35, 110,245.03 and 20,893.83

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Solution

The fourth proportional to 73,484.35, 110,245.03 and 20,893.83 is: 31,346.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,484.35 : 110,245.03 = 20,893.83 : x
  2. Step 2: Convert to fraction form
    73,484.35/110,245.03 = 20,893.83/x
  3. Step 3: Cross multiply
    73,484.35x = 110,245.03 × 20,893.83
  4. Step 4: Simplify right side
    73,484.35x = 2,303,440,810.70
  5. Step 5: Solve for x
    x = 2,303,440,810.70/73,484.35
  6. Step 6: Final answer
    x = 31,346.01

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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.