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Finding the Fourth Proportional to 273,520.80, 410,703.60 and 149,104.80

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Solution

The fourth proportional to 273,520.80, 410,703.60 and 149,104.80 is: 223,887.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,520.80 : 410,703.60 = 149,104.80 : x
  2. Step 2: Convert to fraction form
    273,520.80/410,703.60 = 149,104.80/x
  3. Step 3: Cross multiply
    273,520.80x = 410,703.60 × 149,104.80
  4. Step 4: Simplify right side
    273,520.80x = 61,237,878,137.28
  5. Step 5: Solve for x
    x = 61,237,878,137.28/273,520.80
  6. Step 6: Final answer
    x = 223,887.46

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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.