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Finding the Fourth Proportional to 163,050.70, 244,563.90 and 68,256.40

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Solution

The fourth proportional to 163,050.70, 244,563.90 and 68,256.40 is: 102,379.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,050.70 : 244,563.90 = 68,256.40 : x
  2. Step 2: Convert to fraction form
    163,050.70/244,563.90 = 68,256.40/x
  3. Step 3: Cross multiply
    163,050.70x = 244,563.90 × 68,256.40
  4. Step 4: Simplify right side
    163,050.70x = 16,693,051,383.96
  5. Step 5: Solve for x
    x = 16,693,051,383.96/163,050.70
  6. Step 6: Final answer
    x = 102,379.51

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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.