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Finding the Fourth Proportional to 117,769.30, 176,459.55 and 100,273.30

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Solution

The fourth proportional to 117,769.30, 176,459.55 and 100,273.30 is: 150,244.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,769.30 : 176,459.55 = 100,273.30 : x
  2. Step 2: Convert to fraction form
    117,769.30/176,459.55 = 100,273.30/x
  3. Step 3: Cross multiply
    117,769.30x = 176,459.55 × 100,273.30
  4. Step 4: Simplify right side
    117,769.30x = 17,694,181,395.02
  5. Step 5: Solve for x
    x = 17,694,181,395.02/117,769.30
  6. Step 6: Final answer
    x = 150,244.43

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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.