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Finding the Fourth Proportional to 75,327.94, 103,961.78 and 43,496.80

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Solution

The fourth proportional to 75,327.94, 103,961.78 and 43,496.80 is: 60,030.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,327.94 : 103,961.78 = 43,496.80 : x
  2. Step 2: Convert to fraction form
    75,327.94/103,961.78 = 43,496.80/x
  3. Step 3: Cross multiply
    75,327.94x = 103,961.78 × 43,496.80
  4. Step 4: Simplify right side
    75,327.94x = 4,522,004,752.30
  5. Step 5: Solve for x
    x = 4,522,004,752.30/75,327.94
  6. Step 6: Final answer
    x = 60,030.91

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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.