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Finding the Fourth Proportional to 246,679.34, 369,954.18 and 106,406.78

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Solution

The fourth proportional to 246,679.34, 369,954.18 and 106,406.78 is: 159,582.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,679.34 : 369,954.18 = 106,406.78 : x
  2. Step 2: Convert to fraction form
    246,679.34/369,954.18 = 106,406.78/x
  3. Step 3: Cross multiply
    246,679.34x = 369,954.18 × 106,406.78
  4. Step 4: Simplify right side
    246,679.34x = 39,365,631,191.57
  5. Step 5: Solve for x
    x = 39,365,631,191.57/246,679.34
  6. Step 6: Final answer
    x = 159,582.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.