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Finding the Fourth Proportional to 267,967.06, 401,425.09 and 155,410.82

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Solution

The fourth proportional to 267,967.06, 401,425.09 and 155,410.82 is: 232,811.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,967.06 : 401,425.09 = 155,410.82 : x
  2. Step 2: Convert to fraction form
    267,967.06/401,425.09 = 155,410.82/x
  3. Step 3: Cross multiply
    267,967.06x = 401,425.09 × 155,410.82
  4. Step 4: Simplify right side
    267,967.06x = 62,385,801,515.17
  5. Step 5: Solve for x
    x = 62,385,801,515.17/267,967.06
  6. Step 6: Final answer
    x = 232,811.46

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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.