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Finding the Fourth Proportional to 86,806.18, 119,795.94 and 50,995.88

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Solution

The fourth proportional to 86,806.18, 119,795.94 and 50,995.88 is: 70,376.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,806.18 : 119,795.94 = 50,995.88 : x
  2. Step 2: Convert to fraction form
    86,806.18/119,795.94 = 50,995.88/x
  3. Step 3: Cross multiply
    86,806.18x = 119,795.94 × 50,995.88
  4. Step 4: Simplify right side
    86,806.18x = 6,109,099,380.73
  5. Step 5: Solve for x
    x = 6,109,099,380.73/86,806.18
  6. Step 6: Final answer
    x = 70,376.32

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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.