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Finding the Fourth Proportional to 181,940.10, 272,922.30 and 61,995.30

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Solution

The fourth proportional to 181,940.10, 272,922.30 and 61,995.30 is: 92,997.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,940.10 : 272,922.30 = 61,995.30 : x
  2. Step 2: Convert to fraction form
    181,940.10/272,922.30 = 61,995.30/x
  3. Step 3: Cross multiply
    181,940.10x = 272,922.30 × 61,995.30
  4. Step 4: Simplify right side
    181,940.10x = 16,919,899,865.19
  5. Step 5: Solve for x
    x = 16,919,899,865.19/181,940.10
  6. Step 6: Final answer
    x = 92,997.09

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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.