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Finding the Fourth Proportional to 110,299.68, 165,382.80 and 43,748.64

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Solution

The fourth proportional to 110,299.68, 165,382.80 and 43,748.64 is: 65,596.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,299.68 : 165,382.80 = 43,748.64 : x
  2. Step 2: Convert to fraction form
    110,299.68/165,382.80 = 43,748.64/x
  3. Step 3: Cross multiply
    110,299.68x = 165,382.80 × 43,748.64
  4. Step 4: Simplify right side
    110,299.68x = 7,235,272,579.39
  5. Step 5: Solve for x
    x = 7,235,272,579.39/110,299.68
  6. Step 6: Final answer
    x = 65,596.50

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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.