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Finding the Fourth Proportional to 146,732.34, 202,490.46 and 79,664.34

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Solution

The fourth proportional to 146,732.34, 202,490.46 and 79,664.34 is: 109,936.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,732.34 : 202,490.46 = 79,664.34 : x
  2. Step 2: Convert to fraction form
    146,732.34/202,490.46 = 79,664.34/x
  3. Step 3: Cross multiply
    146,732.34x = 202,490.46 × 79,664.34
  4. Step 4: Simplify right side
    146,732.34x = 16,131,268,852.20
  5. Step 5: Solve for x
    x = 16,131,268,852.20/146,732.34
  6. Step 6: Final answer
    x = 109,936.70

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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.