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Finding the Fourth Proportional to 111,384.80, 166,882.80 and 95,832.80

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Solution

The fourth proportional to 111,384.80, 166,882.80 and 95,832.80 is: 143,581.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,384.80 : 166,882.80 = 95,832.80 : x
  2. Step 2: Convert to fraction form
    111,384.80/166,882.80 = 95,832.80/x
  3. Step 3: Cross multiply
    111,384.80x = 166,882.80 × 95,832.80
  4. Step 4: Simplify right side
    111,384.80x = 15,992,845,995.84
  5. Step 5: Solve for x
    x = 15,992,845,995.84/111,384.80
  6. Step 6: Final answer
    x = 143,581.94

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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.