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Finding the Fourth Proportional to 162,801.90, 244,202.85 and 68,015.70

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Solution

The fourth proportional to 162,801.90, 244,202.85 and 68,015.70 is: 102,023.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,801.90 : 244,202.85 = 68,015.70 : x
  2. Step 2: Convert to fraction form
    162,801.90/244,202.85 = 68,015.70/x
  3. Step 3: Cross multiply
    162,801.90x = 244,202.85 × 68,015.70
  4. Step 4: Simplify right side
    162,801.90x = 16,609,627,784.75
  5. Step 5: Solve for x
    x = 16,609,627,784.75/162,801.90
  6. Step 6: Final answer
    x = 102,023.55

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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.