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Finding the Fourth Proportional to 173,257.41, 259,977.20 and 122,980.89

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Solution

The fourth proportional to 173,257.41, 259,977.20 and 122,980.89 is: 184,535.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,257.41 : 259,977.20 = 122,980.89 : x
  2. Step 2: Convert to fraction form
    173,257.41/259,977.20 = 122,980.89/x
  3. Step 3: Cross multiply
    173,257.41x = 259,977.20 × 122,980.89
  4. Step 4: Simplify right side
    173,257.41x = 31,972,227,435.71
  5. Step 5: Solve for x
    x = 31,972,227,435.71/173,257.41
  6. Step 6: Final answer
    x = 184,535.99

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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.