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Finding the Fourth Proportional to 194,771.29, 266,835.41 and 187,487.89

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Solution

The fourth proportional to 194,771.29, 266,835.41 and 187,487.89 is: 256,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,771.29 : 266,835.41 = 187,487.89 : x
  2. Step 2: Convert to fraction form
    194,771.29/266,835.41 = 187,487.89/x
  3. Step 3: Cross multiply
    194,771.29x = 266,835.41 × 187,487.89
  4. Step 4: Simplify right side
    194,771.29x = 50,028,408,196.55
  5. Step 5: Solve for x
    x = 50,028,408,196.55/194,771.29
  6. Step 6: Final answer
    x = 256,857.20

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.