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Finding the Fourth Proportional to 86,800.01, 119,769.84 and 50,509.58

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Solution

The fourth proportional to 86,800.01, 119,769.84 and 50,509.58 is: 69,694.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,800.01 : 119,769.84 = 50,509.58 : x
  2. Step 2: Convert to fraction form
    86,800.01/119,769.84 = 50,509.58/x
  3. Step 3: Cross multiply
    86,800.01x = 119,769.84 × 50,509.58
  4. Step 4: Simplify right side
    86,800.01x = 6,049,523,716.22
  5. Step 5: Solve for x
    x = 6,049,523,716.22/86,800.01
  6. Step 6: Final answer
    x = 69,694.97

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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.