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Finding the Fourth Proportional to 173,139.96, 259,683.96 and 54,795.96

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Solution

The fourth proportional to 173,139.96, 259,683.96 and 54,795.96 is: 82,185.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,139.96 : 259,683.96 = 54,795.96 : x
  2. Step 2: Convert to fraction form
    173,139.96/259,683.96 = 54,795.96/x
  3. Step 3: Cross multiply
    173,139.96x = 259,683.96 × 54,795.96
  4. Step 4: Simplify right side
    173,139.96x = 14,229,631,884.80
  5. Step 5: Solve for x
    x = 14,229,631,884.80/173,139.96
  6. Step 6: Final answer
    x = 82,185.72

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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.