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Finding the Fourth Proportional to 195,738.80, 293,478.60 and 71,063.60

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Solution

The fourth proportional to 195,738.80, 293,478.60 and 71,063.60 is: 106,548.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,738.80 : 293,478.60 = 71,063.60 : x
  2. Step 2: Convert to fraction form
    195,738.80/293,478.60 = 71,063.60/x
  3. Step 3: Cross multiply
    195,738.80x = 293,478.60 × 71,063.60
  4. Step 4: Simplify right side
    195,738.80x = 20,855,645,838.96
  5. Step 5: Solve for x
    x = 20,855,645,838.96/195,738.80
  6. Step 6: Final answer
    x = 106,548.35

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1.5x scale

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.