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Finding the Fourth Proportional to 178,589.61, 246,435.72 and 106,967.79

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Solution

The fourth proportional to 178,589.61, 246,435.72 and 106,967.79 is: 147,604.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,589.61 : 246,435.72 = 106,967.79 : x
  2. Step 2: Convert to fraction form
    178,589.61/246,435.72 = 106,967.79/x
  3. Step 3: Cross multiply
    178,589.61x = 246,435.72 × 106,967.79
  4. Step 4: Simplify right side
    178,589.61x = 26,360,683,944.33
  5. Step 5: Solve for x
    x = 26,360,683,944.33/178,589.61
  6. Step 6: Final answer
    x = 147,604.80

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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.