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Finding the Fourth Proportional to 273,884.76, 410,892.48 and 86,896.26

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Solution

The fourth proportional to 273,884.76, 410,892.48 and 86,896.26 is: 130,365.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,884.76 : 410,892.48 = 86,896.26 : x
  2. Step 2: Convert to fraction form
    273,884.76/410,892.48 = 86,896.26/x
  3. Step 3: Cross multiply
    273,884.76x = 410,892.48 × 86,896.26
  4. Step 4: Simplify right side
    273,884.76x = 35,705,019,774.12
  5. Step 5: Solve for x
    x = 35,705,019,774.12/273,884.76
  6. Step 6: Final answer
    x = 130,365.12

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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.