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Finding the Fourth Proportional to 173,843.80, 260,463.30 and 80,157.40

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Solution

The fourth proportional to 173,843.80, 260,463.30 and 80,157.40 is: 120,096.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,843.80 : 260,463.30 = 80,157.40 : x
  2. Step 2: Convert to fraction form
    173,843.80/260,463.30 = 80,157.40/x
  3. Step 3: Cross multiply
    173,843.80x = 260,463.30 × 80,157.40
  4. Step 4: Simplify right side
    173,843.80x = 20,878,060,923.42
  5. Step 5: Solve for x
    x = 20,878,060,923.42/173,843.80
  6. Step 6: Final answer
    x = 120,096.67

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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.