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Finding the Fourth Proportional to 173,998.39, 260,999.13 and 68,817.37

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Solution

The fourth proportional to 173,998.39, 260,999.13 and 68,817.37 is: 103,226.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,998.39 : 260,999.13 = 68,817.37 : x
  2. Step 2: Convert to fraction form
    173,998.39/260,999.13 = 68,817.37/x
  3. Step 3: Cross multiply
    173,998.39x = 260,999.13 × 68,817.37
  4. Step 4: Simplify right side
    173,998.39x = 17,961,273,698.89
  5. Step 5: Solve for x
    x = 17,961,273,698.89/173,998.39
  6. Step 6: Final answer
    x = 103,226.67

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1.5x scale

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.