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Finding the Fourth Proportional to 234,382.95, 351,583.11 and 120,500.28

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Solution

The fourth proportional to 234,382.95, 351,583.11 and 120,500.28 is: 180,754.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,382.95 : 351,583.11 = 120,500.28 : x
  2. Step 2: Convert to fraction form
    234,382.95/351,583.11 = 120,500.28/x
  3. Step 3: Cross multiply
    234,382.95x = 351,583.11 × 120,500.28
  4. Step 4: Simplify right side
    234,382.95x = 42,365,863,198.27
  5. Step 5: Solve for x
    x = 42,365,863,198.27/234,382.95
  6. Step 6: Final answer
    x = 180,754.89

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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.