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Finding the Fourth Proportional to 169,218.80, 253,803.60 and 44,559.68

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Solution

The fourth proportional to 169,218.80, 253,803.60 and 44,559.68 is: 66,833.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,218.80 : 253,803.60 = 44,559.68 : x
  2. Step 2: Convert to fraction form
    169,218.80/253,803.60 = 44,559.68/x
  3. Step 3: Cross multiply
    169,218.80x = 253,803.60 × 44,559.68
  4. Step 4: Simplify right side
    169,218.80x = 11,309,407,198.85
  5. Step 5: Solve for x
    x = 11,309,407,198.85/169,218.80
  6. Step 6: Final answer
    x = 66,833.04

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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.