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Finding the Fourth Proportional to 267,707.52, 401,598.30 and 90,265.26

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Solution

The fourth proportional to 267,707.52, 401,598.30 and 90,265.26 is: 135,410.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,707.52 : 401,598.30 = 90,265.26 : x
  2. Step 2: Convert to fraction form
    267,707.52/401,598.30 = 90,265.26/x
  3. Step 3: Cross multiply
    267,707.52x = 401,598.30 × 90,265.26
  4. Step 4: Simplify right side
    267,707.52x = 36,250,374,965.06
  5. Step 5: Solve for x
    x = 36,250,374,965.06/267,707.52
  6. Step 6: Final answer
    x = 135,410.37

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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.