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Finding the Fourth Proportional to 267,770.76, 401,641.99 and 87,832.48

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Solution

The fourth proportional to 267,770.76, 401,641.99 and 87,832.48 is: 131,744.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,770.76 : 401,641.99 = 87,832.48 : x
  2. Step 2: Convert to fraction form
    267,770.76/401,641.99 = 87,832.48/x
  3. Step 3: Cross multiply
    267,770.76x = 401,641.99 × 87,832.48
  4. Step 4: Simplify right side
    267,770.76x = 35,277,212,053.84
  5. Step 5: Solve for x
    x = 35,277,212,053.84/267,770.76
  6. Step 6: Final answer
    x = 131,744.08

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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.