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Finding the Fourth Proportional to 246,354.98, 339,970.82 and 137,463.91

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Solution

The fourth proportional to 246,354.98, 339,970.82 and 137,463.91 is: 189,700.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,354.98 : 339,970.82 = 137,463.91 : x
  2. Step 2: Convert to fraction form
    246,354.98/339,970.82 = 137,463.91/x
  3. Step 3: Cross multiply
    246,354.98x = 339,970.82 × 137,463.91
  4. Step 4: Simplify right side
    246,354.98x = 46,733,718,203.11
  5. Step 5: Solve for x
    x = 46,733,718,203.11/246,354.98
  6. Step 6: Final answer
    x = 189,700.72

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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.