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Finding the Fourth Proportional to 264,013.98, 396,014.43 and 77,027.10

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Solution

The fourth proportional to 264,013.98, 396,014.43 and 77,027.10 is: 115,538.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,013.98 : 396,014.43 = 77,027.10 : x
  2. Step 2: Convert to fraction form
    264,013.98/396,014.43 = 77,027.10/x
  3. Step 3: Cross multiply
    264,013.98x = 396,014.43 × 77,027.10
  4. Step 4: Simplify right side
    264,013.98x = 30,503,843,101.05
  5. Step 5: Solve for x
    x = 30,503,843,101.05/264,013.98
  6. Step 6: Final answer
    x = 115,538.74

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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.