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Finding the Fourth Proportional to 146,450.52, 202,102.20 and 79,382.52

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Solution

The fourth proportional to 146,450.52, 202,102.20 and 79,382.52 is: 109,548.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,450.52 : 202,102.20 = 79,382.52 : x
  2. Step 2: Convert to fraction form
    146,450.52/202,102.20 = 79,382.52/x
  3. Step 3: Cross multiply
    146,450.52x = 202,102.20 × 79,382.52
  4. Step 4: Simplify right side
    146,450.52x = 16,043,381,933.54
  5. Step 5: Solve for x
    x = 16,043,381,933.54/146,450.52
  6. Step 6: Final answer
    x = 109,548.14

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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.