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Finding the Fourth Proportional to 254,901.88, 351,773.61 and 140,189.39

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Solution

The fourth proportional to 254,901.88, 351,773.61 and 140,189.39 is: 193,466.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,901.88 : 351,773.61 = 140,189.39 : x
  2. Step 2: Convert to fraction form
    254,901.88/351,773.61 = 140,189.39/x
  3. Step 3: Cross multiply
    254,901.88x = 351,773.61 × 140,189.39
  4. Step 4: Simplify right side
    254,901.88x = 49,314,926,045.13
  5. Step 5: Solve for x
    x = 49,314,926,045.13/254,901.88
  6. Step 6: Final answer
    x = 193,466.31

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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.