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Finding the Fourth Proportional to 246,123, 339,649.88 and 132,945.75

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Solution

The fourth proportional to 246,123, 339,649.88 and 132,945.75 is: 183,465.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,123 : 339,649.88 = 132,945.75 : x
  2. Step 2: Convert to fraction form
    246,123/339,649.88 = 132,945.75/x
  3. Step 3: Cross multiply
    246,123x = 339,649.88 × 132,945.75
  4. Step 4: Simplify right side
    246,123x = 45,155,007,369.28
  5. Step 5: Solve for x
    x = 45,155,007,369.28/246,123
  6. Step 6: Final answer
    x = 183,465.21

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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.