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Finding the Fourth Proportional to 266,174.35, 398,929.26 and 133,092.67

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Solution

The fourth proportional to 266,174.35, 398,929.26 and 133,092.67 is: 199,472.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,174.35 : 398,929.26 = 133,092.67 : x
  2. Step 2: Convert to fraction form
    266,174.35/398,929.26 = 133,092.67/x
  3. Step 3: Cross multiply
    266,174.35x = 398,929.26 × 133,092.67
  4. Step 4: Simplify right side
    266,174.35x = 53,094,559,855.64
  5. Step 5: Solve for x
    x = 53,094,559,855.64/266,174.35
  6. Step 6: Final answer
    x = 199,472.86

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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.