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Finding the Fourth Proportional to 75,274.26, 103,870.99 and 43,453.41

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Solution

The fourth proportional to 75,274.26, 103,870.99 and 43,453.41 is: 59,961.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,274.26 : 103,870.99 = 43,453.41 : x
  2. Step 2: Convert to fraction form
    75,274.26/103,870.99 = 43,453.41/x
  3. Step 3: Cross multiply
    75,274.26x = 103,870.99 × 43,453.41
  4. Step 4: Simplify right side
    75,274.26x = 4,513,548,715.58
  5. Step 5: Solve for x
    x = 4,513,548,715.58/75,274.26
  6. Step 6: Final answer
    x = 59,961.38

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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.