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Finding the Fourth Proportional to 110,651.40, 165,977.10 and 27,545.40

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Solution

The fourth proportional to 110,651.40, 165,977.10 and 27,545.40 is: 41,318.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,651.40 : 165,977.10 = 27,545.40 : x
  2. Step 2: Convert to fraction form
    110,651.40/165,977.10 = 27,545.40/x
  3. Step 3: Cross multiply
    110,651.40x = 165,977.10 × 27,545.40
  4. Step 4: Simplify right side
    110,651.40x = 4,571,905,610.34
  5. Step 5: Solve for x
    x = 4,571,905,610.34/110,651.40
  6. Step 6: Final answer
    x = 41,318.10

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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.