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Finding the Fourth Proportional to 89,181.66, 133,771.14 and 21,714.24

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Solution

The fourth proportional to 89,181.66, 133,771.14 and 21,714.24 is: 32,571.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,181.66 : 133,771.14 = 21,714.24 : x
  2. Step 2: Convert to fraction form
    89,181.66/133,771.14 = 21,714.24/x
  3. Step 3: Cross multiply
    89,181.66x = 133,771.14 × 21,714.24
  4. Step 4: Simplify right side
    89,181.66x = 2,904,738,639.03
  5. Step 5: Solve for x
    x = 2,904,738,639.03/89,181.66
  6. Step 6: Final answer
    x = 32,571.03

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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.