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Finding the Fourth Proportional to 266,469.48, 367,748.85 and 151,752.98

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Solution

The fourth proportional to 266,469.48, 367,748.85 and 151,752.98 is: 209,431.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,469.48 : 367,748.85 = 151,752.98 : x
  2. Step 2: Convert to fraction form
    266,469.48/367,748.85 = 151,752.98/x
  3. Step 3: Cross multiply
    266,469.48x = 367,748.85 × 151,752.98
  4. Step 4: Simplify right side
    266,469.48x = 55,806,983,134.85
  5. Step 5: Solve for x
    x = 55,806,983,134.85/266,469.48
  6. Step 6: Final answer
    x = 209,431.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.