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Finding the Fourth Proportional to 86,754.50, 119,722.12 and 50,944.94

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Solution

The fourth proportional to 86,754.50, 119,722.12 and 50,944.94 is: 70,304.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,754.50 : 119,722.12 = 50,944.94 : x
  2. Step 2: Convert to fraction form
    86,754.50/119,722.12 = 50,944.94/x
  3. Step 3: Cross multiply
    86,754.50x = 119,722.12 × 50,944.94
  4. Step 4: Simplify right side
    86,754.50x = 6,099,236,220.07
  5. Step 5: Solve for x
    x = 6,099,236,220.07/86,754.50
  6. Step 6: Final answer
    x = 70,304.55

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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.