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Finding the Fourth Proportional to 168,016.63, 251,985.15 and 48,069.91

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Solution

The fourth proportional to 168,016.63, 251,985.15 and 48,069.91 is: 72,093.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,016.63 : 251,985.15 = 48,069.91 : x
  2. Step 2: Convert to fraction form
    168,016.63/251,985.15 = 48,069.91/x
  3. Step 3: Cross multiply
    168,016.63x = 251,985.15 × 48,069.91
  4. Step 4: Simplify right side
    168,016.63x = 12,112,903,481.84
  5. Step 5: Solve for x
    x = 12,112,903,481.84/168,016.63
  6. Step 6: Final answer
    x = 72,093.48

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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.