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Finding the Fourth Proportional to 246,586.98, 340,290.11 and 139,179.77

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Solution

The fourth proportional to 246,586.98, 340,290.11 and 139,179.77 is: 192,068.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,586.98 : 340,290.11 = 139,179.77 : x
  2. Step 2: Convert to fraction form
    246,586.98/340,290.11 = 139,179.77/x
  3. Step 3: Cross multiply
    246,586.98x = 340,290.11 × 139,179.77
  4. Step 4: Simplify right side
    246,586.98x = 47,361,499,243.07
  5. Step 5: Solve for x
    x = 47,361,499,243.07/246,586.98
  6. Step 6: Final answer
    x = 192,068.13

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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.