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Finding the Fourth Proportional to 181,549.52, 250,536.96 and 99,876

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Solution

The fourth proportional to 181,549.52, 250,536.96 and 99,876 is: 137,828.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,549.52 : 250,536.96 = 99,876 : x
  2. Step 2: Convert to fraction form
    181,549.52/250,536.96 = 99,876/x
  3. Step 3: Cross multiply
    181,549.52x = 250,536.96 × 99,876
  4. Step 4: Simplify right side
    181,549.52x = 25,022,629,416.96
  5. Step 5: Solve for x
    x = 25,022,629,416.96/181,549.52
  6. Step 6: Final answer
    x = 137,828.12

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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.