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Finding the Fourth Proportional to 95,319.91, 143,072.81 and 45,434.44

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Solution

The fourth proportional to 95,319.91, 143,072.81 and 45,434.44 is: 68,195.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,319.91 : 143,072.81 = 45,434.44 : x
  2. Step 2: Convert to fraction form
    95,319.91/143,072.81 = 45,434.44/x
  3. Step 3: Cross multiply
    95,319.91x = 143,072.81 × 45,434.44
  4. Step 4: Simplify right side
    95,319.91x = 6,500,433,001.58
  5. Step 5: Solve for x
    x = 6,500,433,001.58/95,319.91
  6. Step 6: Final answer
    x = 68,195.96

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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.