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Finding the Fourth Proportional to 169,407.64, 254,104.18 and 57,080.44

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Solution

The fourth proportional to 169,407.64, 254,104.18 and 57,080.44 is: 85,618.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,407.64 : 254,104.18 = 57,080.44 : x
  2. Step 2: Convert to fraction form
    169,407.64/254,104.18 = 57,080.44/x
  3. Step 3: Cross multiply
    169,407.64x = 254,104.18 × 57,080.44
  4. Step 4: Simplify right side
    169,407.64x = 14,504,378,400.24
  5. Step 5: Solve for x
    x = 14,504,378,400.24/169,407.64
  6. Step 6: Final answer
    x = 85,618.21

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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.