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Finding the Fourth Proportional to 267,559.04, 401,238.12 and 87,602.96

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Solution

The fourth proportional to 267,559.04, 401,238.12 and 87,602.96 is: 131,371.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,559.04 : 401,238.12 = 87,602.96 : x
  2. Step 2: Convert to fraction form
    267,559.04/401,238.12 = 87,602.96/x
  3. Step 3: Cross multiply
    267,559.04x = 401,238.12 × 87,602.96
  4. Step 4: Simplify right side
    267,559.04x = 35,149,646,976.84
  5. Step 5: Solve for x
    x = 35,149,646,976.84/267,559.04
  6. Step 6: Final answer
    x = 131,371.55

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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.