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Finding the Fourth Proportional to 267,759.08, 401,651.97 and 87,828.51

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Solution

The fourth proportional to 267,759.08, 401,651.97 and 87,828.51 is: 131,747.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,759.08 : 401,651.97 = 87,828.51 : x
  2. Step 2: Convert to fraction form
    267,759.08/401,651.97 = 87,828.51/x
  3. Step 3: Cross multiply
    267,759.08x = 401,651.97 × 87,828.51
  4. Step 4: Simplify right side
    267,759.08x = 35,276,495,240.50
  5. Step 5: Solve for x
    x = 35,276,495,240.50/267,759.08
  6. Step 6: Final answer
    x = 131,747.15

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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.