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Finding the Fourth Proportional to 110,355.48, 165,516.48 and 40,234.86

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Solution

The fourth proportional to 110,355.48, 165,516.48 and 40,234.86 is: 60,346.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,355.48 : 165,516.48 = 40,234.86 : x
  2. Step 2: Convert to fraction form
    110,355.48/165,516.48 = 40,234.86/x
  3. Step 3: Cross multiply
    110,355.48x = 165,516.48 × 40,234.86
  4. Step 4: Simplify right side
    110,355.48x = 6,659,532,400.49
  5. Step 5: Solve for x
    x = 6,659,532,400.49/110,355.48
  6. Step 6: Final answer
    x = 60,346.19

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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.