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Finding the Fourth Proportional to 163,500.84, 225,633.75 and 91,880.85

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Solution

The fourth proportional to 163,500.84, 225,633.75 and 91,880.85 is: 126,797.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,500.84 : 225,633.75 = 91,880.85 : x
  2. Step 2: Convert to fraction form
    163,500.84/225,633.75 = 91,880.85/x
  3. Step 3: Cross multiply
    163,500.84x = 225,633.75 × 91,880.85
  4. Step 4: Simplify right side
    163,500.84x = 20,731,420,738.69
  5. Step 5: Solve for x
    x = 20,731,420,738.69/163,500.84
  6. Step 6: Final answer
    x = 126,797.03

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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.