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Finding the Fourth Proportional to 254,699.29, 351,486.71 and 159,261.85

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Solution

The fourth proportional to 254,699.29, 351,486.71 and 159,261.85 is: 219,782.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,699.29 : 351,486.71 = 159,261.85 : x
  2. Step 2: Convert to fraction form
    254,699.29/351,486.71 = 159,261.85/x
  3. Step 3: Cross multiply
    254,699.29x = 351,486.71 × 159,261.85
  4. Step 4: Simplify right side
    254,699.29x = 55,978,422,888.70
  5. Step 5: Solve for x
    x = 55,978,422,888.70/254,699.29
  6. Step 6: Final answer
    x = 219,782.41

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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.