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Finding the Fourth Proportional to 110,561.60, 165,842.40 and 55,265.60

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Solution

The fourth proportional to 110,561.60, 165,842.40 and 55,265.60 is: 82,898.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,561.60 : 165,842.40 = 55,265.60 : x
  2. Step 2: Convert to fraction form
    110,561.60/165,842.40 = 55,265.60/x
  3. Step 3: Cross multiply
    110,561.60x = 165,842.40 × 55,265.60
  4. Step 4: Simplify right side
    110,561.60x = 9,165,379,741.44
  5. Step 5: Solve for x
    x = 9,165,379,741.44/110,561.60
  6. Step 6: Final answer
    x = 82,898.40

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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.