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Finding the Fourth Proportional to 95,299.28, 142,961.72 and 36,156.88

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Solution

The fourth proportional to 95,299.28, 142,961.72 and 36,156.88 is: 54,240.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,299.28 : 142,961.72 = 36,156.88 : x
  2. Step 2: Convert to fraction form
    95,299.28/142,961.72 = 36,156.88/x
  3. Step 3: Cross multiply
    95,299.28x = 142,961.72 × 36,156.88
  4. Step 4: Simplify right side
    95,299.28x = 5,169,049,754.63
  5. Step 5: Solve for x
    x = 5,169,049,754.63/95,299.28
  6. Step 6: Final answer
    x = 54,240.18

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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.