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Finding the Fourth Proportional to 96,959.46, 133,806.79 and 53,940.33

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Solution

The fourth proportional to 96,959.46, 133,806.79 and 53,940.33 is: 74,439.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,959.46 : 133,806.79 = 53,940.33 : x
  2. Step 2: Convert to fraction form
    96,959.46/133,806.79 = 53,940.33/x
  3. Step 3: Cross multiply
    96,959.46x = 133,806.79 × 53,940.33
  4. Step 4: Simplify right side
    96,959.46x = 7,217,582,172.85
  5. Step 5: Solve for x
    x = 7,217,582,172.85/96,959.46
  6. Step 6: Final answer
    x = 74,439.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.