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Finding the Fourth Proportional to 95,203.21, 142,816.97 and 31,996.21

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Solution

The fourth proportional to 95,203.21, 142,816.97 and 31,996.21 is: 47,998.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,203.21 : 142,816.97 = 31,996.21 : x
  2. Step 2: Convert to fraction form
    95,203.21/142,816.97 = 31,996.21/x
  3. Step 3: Cross multiply
    95,203.21x = 142,816.97 × 31,996.21
  4. Step 4: Simplify right side
    95,203.21x = 4,569,601,763.68
  5. Step 5: Solve for x
    x = 4,569,601,763.68/95,203.21
  6. Step 6: Final answer
    x = 47,998.40

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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.