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Finding the Fourth Proportional to 246,142.76, 339,676.58 and 132,965.16

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Solution

The fourth proportional to 246,142.76, 339,676.58 and 132,965.16 is: 183,491.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,142.76 : 339,676.58 = 132,965.16 : x
  2. Step 2: Convert to fraction form
    246,142.76/339,676.58 = 132,965.16/x
  3. Step 3: Cross multiply
    246,142.76x = 339,676.58 × 132,965.16
  4. Step 4: Simplify right side
    246,142.76x = 45,165,150,807.95
  5. Step 5: Solve for x
    x = 45,165,150,807.95/246,142.76
  6. Step 6: Final answer
    x = 183,491.69

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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.