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Finding the Fourth Proportional to 273,872.80, 410,866.80 and 155,447.20

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Solution

The fourth proportional to 273,872.80, 410,866.80 and 155,447.20 is: 233,203.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,872.80 : 410,866.80 = 155,447.20 : x
  2. Step 2: Convert to fraction form
    273,872.80/410,866.80 = 155,447.20/x
  3. Step 3: Cross multiply
    273,872.80x = 410,866.80 × 155,447.20
  4. Step 4: Simplify right side
    273,872.80x = 63,868,093,632.96
  5. Step 5: Solve for x
    x = 63,868,093,632.96/273,872.80
  6. Step 6: Final answer
    x = 233,203.49

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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.