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Finding the Fourth Proportional to 164,104.43, 246,134.78 and 45,765.86

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Solution

The fourth proportional to 164,104.43, 246,134.78 and 45,765.86 is: 68,642.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,104.43 : 246,134.78 = 45,765.86 : x
  2. Step 2: Convert to fraction form
    164,104.43/246,134.78 = 45,765.86/x
  3. Step 3: Cross multiply
    164,104.43x = 246,134.78 × 45,765.86
  4. Step 4: Simplify right side
    164,104.43x = 11,264,569,653.78
  5. Step 5: Solve for x
    x = 11,264,569,653.78/164,104.43
  6. Step 6: Final answer
    x = 68,642.69

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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.