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Finding the Fourth Proportional to 110,445.56, 165,669.96 and 40,331.96

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Solution

The fourth proportional to 110,445.56, 165,669.96 and 40,331.96 is: 60,498.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,445.56 : 165,669.96 = 40,331.96 : x
  2. Step 2: Convert to fraction form
    110,445.56/165,669.96 = 40,331.96/x
  3. Step 3: Cross multiply
    110,445.56x = 165,669.96 × 40,331.96
  4. Step 4: Simplify right side
    110,445.56x = 6,681,794,199.92
  5. Step 5: Solve for x
    x = 6,681,794,199.92/110,445.56
  6. Step 6: Final answer
    x = 60,498.53

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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.