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Finding the Fourth Proportional to 86,794.88, 119,777.80 and 50,996.40

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Solution

The fourth proportional to 86,794.88, 119,777.80 and 50,996.40 is: 70,375.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,794.88 : 119,777.80 = 50,996.40 : x
  2. Step 2: Convert to fraction form
    86,794.88/119,777.80 = 50,996.40/x
  3. Step 3: Cross multiply
    86,794.88x = 119,777.80 × 50,996.40
  4. Step 4: Simplify right side
    86,794.88x = 6,108,236,599.92
  5. Step 5: Solve for x
    x = 6,108,236,599.92/86,794.88
  6. Step 6: Final answer
    x = 70,375.54

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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.