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Finding the Fourth Proportional to 110,167.20, 164,991.60 and 110,167.20

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Solution

The fourth proportional to 110,167.20, 164,991.60 and 110,167.20 is: 164,991.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,167.20 : 164,991.60 = 110,167.20 : x
  2. Step 2: Convert to fraction form
    110,167.20/164,991.60 = 110,167.20/x
  3. Step 3: Cross multiply
    110,167.20x = 164,991.60 × 110,167.20
  4. Step 4: Simplify right side
    110,167.20x = 18,176,662,595.52
  5. Step 5: Solve for x
    x = 18,176,662,595.52/110,167.20
  6. Step 6: Final answer
    x = 164,991.60

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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.