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Finding the Fourth Proportional to 95,957.85, 143,865.69 and 45,990.39

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Solution

The fourth proportional to 95,957.85, 143,865.69 and 45,990.39 is: 68,951.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,957.85 : 143,865.69 = 45,990.39 : x
  2. Step 2: Convert to fraction form
    95,957.85/143,865.69 = 45,990.39/x
  3. Step 3: Cross multiply
    95,957.85x = 143,865.69 × 45,990.39
  4. Step 4: Simplify right side
    95,957.85x = 6,616,439,190.72
  5. Step 5: Solve for x
    x = 6,616,439,190.72/95,957.85
  6. Step 6: Final answer
    x = 68,951.52

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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.