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Finding the Fourth Proportional to 96,759, 144,876.03 and 84,803.40

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Solution

The fourth proportional to 96,759, 144,876.03 and 84,803.40 is: 126,975.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,759 : 144,876.03 = 84,803.40 : x
  2. Step 2: Convert to fraction form
    96,759/144,876.03 = 84,803.40/x
  3. Step 3: Cross multiply
    96,759x = 144,876.03 × 84,803.40
  4. Step 4: Simplify right side
    96,759x = 12,285,979,922.50
  5. Step 5: Solve for x
    x = 12,285,979,922.50/96,759
  6. Step 6: Final answer
    x = 126,975.06

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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.