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Finding the Fourth Proportional to 110,513.70, 165,770.55 and 40,443.30

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Solution

The fourth proportional to 110,513.70, 165,770.55 and 40,443.30 is: 60,664.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,513.70 : 165,770.55 = 40,443.30 : x
  2. Step 2: Convert to fraction form
    110,513.70/165,770.55 = 40,443.30/x
  3. Step 3: Cross multiply
    110,513.70x = 165,770.55 × 40,443.30
  4. Step 4: Simplify right side
    110,513.70x = 6,704,308,084.82
  5. Step 5: Solve for x
    x = 6,704,308,084.82/110,513.70
  6. Step 6: Final answer
    x = 60,664.95

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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.