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Finding the Fourth Proportional to 267,710.40, 401,711.40 and 109,954.80

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Solution

The fourth proportional to 267,710.40, 401,711.40 and 109,954.80 is: 164,992.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,710.40 : 401,711.40 = 109,954.80 : x
  2. Step 2: Convert to fraction form
    267,710.40/401,711.40 = 109,954.80/x
  3. Step 3: Cross multiply
    267,710.40x = 401,711.40 × 109,954.80
  4. Step 4: Simplify right side
    267,710.40x = 44,170,096,644.72
  5. Step 5: Solve for x
    x = 44,170,096,644.72/267,710.40
  6. Step 6: Final answer
    x = 164,992.08

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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.