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Finding the Fourth Proportional to 266,035.80, 398,855.30 and 160,832.60

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Solution

The fourth proportional to 266,035.80, 398,855.30 and 160,832.60 is: 241,128.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,035.80 : 398,855.30 = 160,832.60 : x
  2. Step 2: Convert to fraction form
    266,035.80/398,855.30 = 160,832.60/x
  3. Step 3: Cross multiply
    266,035.80x = 398,855.30 × 160,832.60
  4. Step 4: Simplify right side
    266,035.80x = 64,148,934,922.78
  5. Step 5: Solve for x
    x = 64,148,934,922.78/266,035.80
  6. Step 6: Final answer
    x = 241,128.96

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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.