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Finding the Fourth Proportional to 173,259.93, 259,899.05 and 54,940.50

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Solution

The fourth proportional to 173,259.93, 259,899.05 and 54,940.50 is: 82,413.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,259.93 : 259,899.05 = 54,940.50 : x
  2. Step 2: Convert to fraction form
    173,259.93/259,899.05 = 54,940.50/x
  3. Step 3: Cross multiply
    173,259.93x = 259,899.05 × 54,940.50
  4. Step 4: Simplify right side
    173,259.93x = 14,278,983,756.53
  5. Step 5: Solve for x
    x = 14,278,983,756.53/173,259.93
  6. Step 6: Final answer
    x = 82,413.65

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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.