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Finding the Fourth Proportional to 95,896.52, 143,813.66 and 45,287.72

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Solution

The fourth proportional to 95,896.52, 143,813.66 and 45,287.72 is: 67,916.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,896.52 : 143,813.66 = 45,287.72 : x
  2. Step 2: Convert to fraction form
    95,896.52/143,813.66 = 45,287.72/x
  3. Step 3: Cross multiply
    95,896.52x = 143,813.66 × 45,287.72
  4. Step 4: Simplify right side
    95,896.52x = 6,512,992,766.26
  5. Step 5: Solve for x
    x = 6,512,992,766.26/95,896.52
  6. Step 6: Final answer
    x = 67,916.88

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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.