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Finding the Fourth Proportional to 173,980.56, 261,014.52 and 49,321.56

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Solution

The fourth proportional to 173,980.56, 261,014.52 and 49,321.56 is: 73,994.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,980.56 : 261,014.52 = 49,321.56 : x
  2. Step 2: Convert to fraction form
    173,980.56/261,014.52 = 49,321.56/x
  3. Step 3: Cross multiply
    173,980.56x = 261,014.52 × 49,321.56
  4. Step 4: Simplify right side
    173,980.56x = 12,873,643,309.05
  5. Step 5: Solve for x
    x = 12,873,643,309.05/173,980.56
  6. Step 6: Final answer
    x = 73,994.72

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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.