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Finding the Fourth Proportional to 70,175.28, 105,675.96 and 50,591.64

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Solution

The fourth proportional to 70,175.28, 105,675.96 and 50,591.64 is: 76,185.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,175.28 : 105,675.96 = 50,591.64 : x
  2. Step 2: Convert to fraction form
    70,175.28/105,675.96 = 50,591.64/x
  3. Step 3: Cross multiply
    70,175.28x = 105,675.96 × 50,591.64
  4. Step 4: Simplify right side
    70,175.28x = 5,346,320,124.97
  5. Step 5: Solve for x
    x = 5,346,320,124.97/70,175.28
  6. Step 6: Final answer
    x = 76,185.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.