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Finding the Fourth Proportional to 165,380.40, 247,487.40 and 112,892.40

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Solution

The fourth proportional to 165,380.40, 247,487.40 and 112,892.40 is: 168,940.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,380.40 : 247,487.40 = 112,892.40 : x
  2. Step 2: Convert to fraction form
    165,380.40/247,487.40 = 112,892.40/x
  3. Step 3: Cross multiply
    165,380.40x = 247,487.40 × 112,892.40
  4. Step 4: Simplify right side
    165,380.40x = 27,939,446,555.76
  5. Step 5: Solve for x
    x = 27,939,446,555.76/165,380.40
  6. Step 6: Final answer
    x = 168,940.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.