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Finding the Fourth Proportional to 267,555.51, 401,355.11 and 134,367.27

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Solution

The fourth proportional to 267,555.51, 401,355.11 and 134,367.27 is: 201,561.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,555.51 : 401,355.11 = 134,367.27 : x
  2. Step 2: Convert to fraction form
    267,555.51/401,355.11 = 134,367.27/x
  3. Step 3: Cross multiply
    267,555.51x = 401,355.11 × 134,367.27
  4. Step 4: Simplify right side
    267,555.51x = 53,928,989,759.41
  5. Step 5: Solve for x
    x = 53,928,989,759.41/267,555.51
  6. Step 6: Final answer
    x = 201,561.87

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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.