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Finding the Fourth Proportional to 162,798.80, 244,198.20 and 103,676.90

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Solution

The fourth proportional to 162,798.80, 244,198.20 and 103,676.90 is: 155,515.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,798.80 : 244,198.20 = 103,676.90 : x
  2. Step 2: Convert to fraction form
    162,798.80/244,198.20 = 103,676.90/x
  3. Step 3: Cross multiply
    162,798.80x = 244,198.20 × 103,676.90
  4. Step 4: Simplify right side
    162,798.80x = 25,317,712,361.58
  5. Step 5: Solve for x
    x = 25,317,712,361.58/162,798.80
  6. Step 6: Final answer
    x = 155,515.35

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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.