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Finding the Fourth Proportional to 83,272.50, 114,917.90 and 45,546.75

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Solution

The fourth proportional to 83,272.50, 114,917.90 and 45,546.75 is: 62,855.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,272.50 : 114,917.90 = 45,546.75 : x
  2. Step 2: Convert to fraction form
    83,272.50/114,917.90 = 45,546.75/x
  3. Step 3: Cross multiply
    83,272.50x = 114,917.90 × 45,546.75
  4. Step 4: Simplify right side
    83,272.50x = 5,234,136,634.09
  5. Step 5: Solve for x
    x = 5,234,136,634.09/83,272.50
  6. Step 6: Final answer
    x = 62,855.52

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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.