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Finding the Fourth Proportional to 243,991.10, 365,877.30 and 110,802.80

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Solution

The fourth proportional to 243,991.10, 365,877.30 and 110,802.80 is: 166,154.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,991.10 : 365,877.30 = 110,802.80 : x
  2. Step 2: Convert to fraction form
    243,991.10/365,877.30 = 110,802.80/x
  3. Step 3: Cross multiply
    243,991.10x = 365,877.30 × 110,802.80
  4. Step 4: Simplify right side
    243,991.10x = 40,540,229,296.44
  5. Step 5: Solve for x
    x = 40,540,229,296.44/243,991.10
  6. Step 6: Final answer
    x = 166,154.54

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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.