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Finding the Fourth Proportional to 181,294.41, 250,190.76 and 99,622

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Solution

The fourth proportional to 181,294.41, 250,190.76 and 99,622 is: 137,480.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,294.41 : 250,190.76 = 99,622 : x
  2. Step 2: Convert to fraction form
    181,294.41/250,190.76 = 99,622/x
  3. Step 3: Cross multiply
    181,294.41x = 250,190.76 × 99,622
  4. Step 4: Simplify right side
    181,294.41x = 24,924,503,892.72
  5. Step 5: Solve for x
    x = 24,924,503,892.72/181,294.41
  6. Step 6: Final answer
    x = 137,480.82

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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.