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Finding the Fourth Proportional to 273,360.80, 410,156.40 and 148,791.20

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Solution

The fourth proportional to 273,360.80, 410,156.40 and 148,791.20 is: 223,249.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,360.80 : 410,156.40 = 148,791.20 : x
  2. Step 2: Convert to fraction form
    273,360.80/410,156.40 = 148,791.20/x
  3. Step 3: Cross multiply
    273,360.80x = 410,156.40 × 148,791.20
  4. Step 4: Simplify right side
    273,360.80x = 61,027,662,943.68
  5. Step 5: Solve for x
    x = 61,027,662,943.68/273,360.80
  6. Step 6: Final answer
    x = 223,249.50

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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.