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Finding the Fourth Proportional to 266,885.56, 400,464.11 and 117,087

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Solution

The fourth proportional to 266,885.56, 400,464.11 and 117,087 is: 175,690.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,885.56 : 400,464.11 = 117,087 : x
  2. Step 2: Convert to fraction form
    266,885.56/400,464.11 = 117,087/x
  3. Step 3: Cross multiply
    266,885.56x = 400,464.11 × 117,087
  4. Step 4: Simplify right side
    266,885.56x = 46,889,141,247.57
  5. Step 5: Solve for x
    x = 46,889,141,247.57/266,885.56
  6. Step 6: Final answer
    x = 175,690.06

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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.