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Finding the Fourth Proportional to 87,892.29, 131,858.01 and 48,429.09

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Solution

The fourth proportional to 87,892.29, 131,858.01 and 48,429.09 is: 72,654.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,892.29 : 131,858.01 = 48,429.09 : x
  2. Step 2: Convert to fraction form
    87,892.29/131,858.01 = 48,429.09/x
  3. Step 3: Cross multiply
    87,892.29x = 131,858.01 × 48,429.09
  4. Step 4: Simplify right side
    87,892.29x = 6,385,763,433.51
  5. Step 5: Solve for x
    x = 6,385,763,433.51/87,892.29
  6. Step 6: Final answer
    x = 72,654.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.