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Finding the Fourth Proportional to 110,488.40, 165,732.60 and 27,382.40

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Solution

The fourth proportional to 110,488.40, 165,732.60 and 27,382.40 is: 41,073.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,488.40 : 165,732.60 = 27,382.40 : x
  2. Step 2: Convert to fraction form
    110,488.40/165,732.60 = 27,382.40/x
  3. Step 3: Cross multiply
    110,488.40x = 165,732.60 × 27,382.40
  4. Step 4: Simplify right side
    110,488.40x = 4,538,156,346.24
  5. Step 5: Solve for x
    x = 4,538,156,346.24/110,488.40
  6. Step 6: Final answer
    x = 41,073.60

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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.