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Finding the Fourth Proportional to 260,326.89, 359,145.13 and 169,649.82

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Solution

The fourth proportional to 260,326.89, 359,145.13 and 169,649.82 is: 234,047.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,326.89 : 359,145.13 = 169,649.82 : x
  2. Step 2: Convert to fraction form
    260,326.89/359,145.13 = 169,649.82/x
  3. Step 3: Cross multiply
    260,326.89x = 359,145.13 × 169,649.82
  4. Step 4: Simplify right side
    260,326.89x = 60,928,907,581.05
  5. Step 5: Solve for x
    x = 60,928,907,581.05/260,326.89
  6. Step 6: Final answer
    x = 234,047.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.