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Finding the Fourth Proportional to 179,325.20, 268,966.20 and 74,133.20

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Solution

The fourth proportional to 179,325.20, 268,966.20 and 74,133.20 is: 111,190.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,325.20 : 268,966.20 = 74,133.20 : x
  2. Step 2: Convert to fraction form
    179,325.20/268,966.20 = 74,133.20/x
  3. Step 3: Cross multiply
    179,325.20x = 268,966.20 × 74,133.20
  4. Step 4: Simplify right side
    179,325.20x = 19,939,325,097.84
  5. Step 5: Solve for x
    x = 19,939,325,097.84/179,325.20
  6. Step 6: Final answer
    x = 111,190.87

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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.