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Finding the Fourth Proportional to 96,108.98, 143,879.57 and 70,982.15

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Solution

The fourth proportional to 96,108.98, 143,879.57 and 70,982.15 is: 106,263.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,108.98 : 143,879.57 = 70,982.15 : x
  2. Step 2: Convert to fraction form
    96,108.98/143,879.57 = 70,982.15/x
  3. Step 3: Cross multiply
    96,108.98x = 143,879.57 × 70,982.15
  4. Step 4: Simplify right side
    96,108.98x = 10,212,880,864.76
  5. Step 5: Solve for x
    x = 10,212,880,864.76/96,108.98
  6. Step 6: Final answer
    x = 106,263.54

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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.