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Finding the Fourth Proportional to 273,873.71, 410,965.28 and 147,511.28

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Solution

The fourth proportional to 273,873.71, 410,965.28 and 147,511.28 is: 221,350.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,873.71 : 410,965.28 = 147,511.28 : x
  2. Step 2: Convert to fraction form
    273,873.71/410,965.28 = 147,511.28/x
  3. Step 3: Cross multiply
    273,873.71x = 410,965.28 × 147,511.28
  4. Step 4: Simplify right side
    273,873.71x = 60,622,015,331.38
  5. Step 5: Solve for x
    x = 60,622,015,331.38/273,873.71
  6. Step 6: Final answer
    x = 221,350.25

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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.