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Finding the Fourth Proportional to 168,772.90, 253,159.35 and 44,113.90

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Solution

The fourth proportional to 168,772.90, 253,159.35 and 44,113.90 is: 66,170.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,772.90 : 253,159.35 = 44,113.90 : x
  2. Step 2: Convert to fraction form
    168,772.90/253,159.35 = 44,113.90/x
  3. Step 3: Cross multiply
    168,772.90x = 253,159.35 × 44,113.90
  4. Step 4: Simplify right side
    168,772.90x = 11,167,846,249.97
  5. Step 5: Solve for x
    x = 11,167,846,249.97/168,772.90
  6. Step 6: Final answer
    x = 66,170.85

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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.