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Finding the Fourth Proportional to 146,892.20, 202,712.52 and 79,824.20

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Solution

The fourth proportional to 146,892.20, 202,712.52 and 79,824.20 is: 110,158.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,892.20 : 202,712.52 = 79,824.20 : x
  2. Step 2: Convert to fraction form
    146,892.20/202,712.52 = 79,824.20/x
  3. Step 3: Cross multiply
    146,892.20x = 202,712.52 × 79,824.20
  4. Step 4: Simplify right side
    146,892.20x = 16,181,363,725.42
  5. Step 5: Solve for x
    x = 16,181,363,725.42/146,892.20
  6. Step 6: Final answer
    x = 110,158.09

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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.