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Finding the Fourth Proportional to 162,608.80, 243,917.48 and 44,282.56

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Solution

The fourth proportional to 162,608.80, 243,917.48 and 44,282.56 is: 66,425.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,608.80 : 243,917.48 = 44,282.56 : x
  2. Step 2: Convert to fraction form
    162,608.80/243,917.48 = 44,282.56/x
  3. Step 3: Cross multiply
    162,608.80x = 243,917.48 × 44,282.56
  4. Step 4: Simplify right side
    162,608.80x = 10,801,290,443.15
  5. Step 5: Solve for x
    x = 10,801,290,443.15/162,608.80
  6. Step 6: Final answer
    x = 66,425.01

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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.