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Finding the Fourth Proportional to 168,616.36, 252,941.48 and 48,676.32

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Solution

The fourth proportional to 168,616.36, 252,941.48 and 48,676.32 is: 73,019.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,616.36 : 252,941.48 = 48,676.32 : x
  2. Step 2: Convert to fraction form
    168,616.36/252,941.48 = 48,676.32/x
  3. Step 3: Cross multiply
    168,616.36x = 252,941.48 × 48,676.32
  4. Step 4: Simplify right side
    168,616.36x = 12,312,260,421.75
  5. Step 5: Solve for x
    x = 12,312,260,421.75/168,616.36
  6. Step 6: Final answer
    x = 73,019.37

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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.