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Finding the Fourth Proportional to 86,375.34, 119,196.90 and 50,583.96

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Solution

The fourth proportional to 86,375.34, 119,196.90 and 50,583.96 is: 69,805.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,375.34 : 119,196.90 = 50,583.96 : x
  2. Step 2: Convert to fraction form
    86,375.34/119,196.90 = 50,583.96/x
  3. Step 3: Cross multiply
    86,375.34x = 119,196.90 × 50,583.96
  4. Step 4: Simplify right side
    86,375.34x = 6,029,451,221.72
  5. Step 5: Solve for x
    x = 6,029,451,221.72/86,375.34
  6. Step 6: Final answer
    x = 69,805.24

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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.