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Finding the Fourth Proportional to 162,096.88, 243,157.20 and 43,765.60

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Solution

The fourth proportional to 162,096.88, 243,157.20 and 43,765.60 is: 65,651.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,096.88 : 243,157.20 = 43,765.60 : x
  2. Step 2: Convert to fraction form
    162,096.88/243,157.20 = 43,765.60/x
  3. Step 3: Cross multiply
    162,096.88x = 243,157.20 × 43,765.60
  4. Step 4: Simplify right side
    162,096.88x = 10,641,920,752.32
  5. Step 5: Solve for x
    x = 10,641,920,752.32/162,096.88
  6. Step 6: Final answer
    x = 65,651.61

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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.