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Finding the Fourth Proportional to 86,773.68, 119,748.78 and 50,964.39

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Solution

The fourth proportional to 86,773.68, 119,748.78 and 50,964.39 is: 70,331.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,773.68 : 119,748.78 = 50,964.39 : x
  2. Step 2: Convert to fraction form
    86,773.68/119,748.78 = 50,964.39/x
  3. Step 3: Cross multiply
    86,773.68x = 119,748.78 × 50,964.39
  4. Step 4: Simplify right side
    86,773.68x = 6,102,923,525.94
  5. Step 5: Solve for x
    x = 6,102,923,525.94/86,773.68
  6. Step 6: Final answer
    x = 70,331.51

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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.