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Finding the Fourth Proportional to 179,559.50, 269,339.26 and 68,751.50

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Solution

The fourth proportional to 179,559.50, 269,339.26 and 68,751.50 is: 103,127.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,559.50 : 269,339.26 = 68,751.50 : x
  2. Step 2: Convert to fraction form
    179,559.50/269,339.26 = 68,751.50/x
  3. Step 3: Cross multiply
    179,559.50x = 269,339.26 × 68,751.50
  4. Step 4: Simplify right side
    179,559.50x = 18,517,478,133.89
  5. Step 5: Solve for x
    x = 18,517,478,133.89/179,559.50
  6. Step 6: Final answer
    x = 103,127.25

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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.