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Finding the Fourth Proportional to 181,213.66, 250,158.54 and 108,650.89

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Solution

The fourth proportional to 181,213.66, 250,158.54 and 108,650.89 is: 149,988.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,213.66 : 250,158.54 = 108,650.89 : x
  2. Step 2: Convert to fraction form
    181,213.66/250,158.54 = 108,650.89/x
  3. Step 3: Cross multiply
    181,213.66x = 250,158.54 × 108,650.89
  4. Step 4: Simplify right side
    181,213.66x = 27,179,948,012.10
  5. Step 5: Solve for x
    x = 27,179,948,012.10/181,213.66
  6. Step 6: Final answer
    x = 149,988.41

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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.