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Finding the Fourth Proportional to 80,548.96, 120,900.32 and 49,444.96

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Solution

The fourth proportional to 80,548.96, 120,900.32 and 49,444.96 is: 74,214.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,548.96 : 120,900.32 = 49,444.96 : x
  2. Step 2: Convert to fraction form
    80,548.96/120,900.32 = 49,444.96/x
  3. Step 3: Cross multiply
    80,548.96x = 120,900.32 × 49,444.96
  4. Step 4: Simplify right side
    80,548.96x = 5,977,911,486.39
  5. Step 5: Solve for x
    x = 5,977,911,486.39/80,548.96
  6. Step 6: Final answer
    x = 74,214.63

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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.