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Finding the Fourth Proportional to 246,254.28, 339,810.52 and 138,850.68

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Solution

The fourth proportional to 246,254.28, 339,810.52 and 138,850.68 is: 191,602.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,254.28 : 339,810.52 = 138,850.68 : x
  2. Step 2: Convert to fraction form
    246,254.28/339,810.52 = 138,850.68/x
  3. Step 3: Cross multiply
    246,254.28x = 339,810.52 × 138,850.68
  4. Step 4: Simplify right side
    246,254.28x = 47,182,921,773.15
  5. Step 5: Solve for x
    x = 47,182,921,773.15/246,254.28
  6. Step 6: Final answer
    x = 191,602.44

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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.