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Finding the Fourth Proportional to 163,373.70, 225,467.67 and 91,757.94

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Solution

The fourth proportional to 163,373.70, 225,467.67 and 91,757.94 is: 126,632.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,373.70 : 225,467.67 = 91,757.94 : x
  2. Step 2: Convert to fraction form
    163,373.70/225,467.67 = 91,757.94/x
  3. Step 3: Cross multiply
    163,373.70x = 225,467.67 × 91,757.94
  4. Step 4: Simplify right side
    163,373.70x = 20,688,448,935.80
  5. Step 5: Solve for x
    x = 20,688,448,935.80/163,373.70
  6. Step 6: Final answer
    x = 126,632.68

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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.