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Finding the Fourth Proportional to 194,085.28, 291,126.28 and 53,843.88

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Solution

The fourth proportional to 194,085.28, 291,126.28 and 53,843.88 is: 80,765.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,085.28 : 291,126.28 = 53,843.88 : x
  2. Step 2: Convert to fraction form
    194,085.28/291,126.28 = 53,843.88/x
  3. Step 3: Cross multiply
    194,085.28x = 291,126.28 × 53,843.88
  4. Step 4: Simplify right side
    194,085.28x = 15,675,368,485.17
  5. Step 5: Solve for x
    x = 15,675,368,485.17/194,085.28
  6. Step 6: Final answer
    x = 80,765.37

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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.