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Finding the Fourth Proportional to 111,287.82, 153,492.44 and 95,791.82

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Solution

The fourth proportional to 111,287.82, 153,492.44 and 95,791.82 is: 132,119.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,287.82 : 153,492.44 = 95,791.82 : x
  2. Step 2: Convert to fraction form
    111,287.82/153,492.44 = 95,791.82/x
  3. Step 3: Cross multiply
    111,287.82x = 153,492.44 × 95,791.82
  4. Step 4: Simplify right side
    111,287.82x = 14,703,320,183.84
  5. Step 5: Solve for x
    x = 14,703,320,183.84/111,287.82
  6. Step 6: Final answer
    x = 132,119.76

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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.