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Finding the Fourth Proportional to 163,674.96, 225,902.50 and 102,449.56

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Solution

The fourth proportional to 163,674.96, 225,902.50 and 102,449.56 is: 141,399.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,674.96 : 225,902.50 = 102,449.56 : x
  2. Step 2: Convert to fraction form
    163,674.96/225,902.50 = 102,449.56/x
  3. Step 3: Cross multiply
    163,674.96x = 225,902.50 × 102,449.56
  4. Step 4: Simplify right side
    163,674.96x = 23,143,611,727.90
  5. Step 5: Solve for x
    x = 23,143,611,727.90/163,674.96
  6. Step 6: Final answer
    x = 141,399.83

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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.