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Finding the Fourth Proportional to 173,806.62, 260,709.93 and 80,300.22

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Solution

The fourth proportional to 173,806.62, 260,709.93 and 80,300.22 is: 120,450.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,806.62 : 260,709.93 = 80,300.22 : x
  2. Step 2: Convert to fraction form
    173,806.62/260,709.93 = 80,300.22/x
  3. Step 3: Cross multiply
    173,806.62x = 260,709.93 × 80,300.22
  4. Step 4: Simplify right side
    173,806.62x = 20,935,064,735.18
  5. Step 5: Solve for x
    x = 20,935,064,735.18/173,806.62
  6. Step 6: Final answer
    x = 120,450.33

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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.