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Finding the Fourth Proportional to 267,672.88, 401,531.16 and 134,484.40

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Solution

The fourth proportional to 267,672.88, 401,531.16 and 134,484.40 is: 201,737.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,672.88 : 401,531.16 = 134,484.40 : x
  2. Step 2: Convert to fraction form
    267,672.88/401,531.16 = 134,484.40/x
  3. Step 3: Cross multiply
    267,672.88x = 401,531.16 × 134,484.40
  4. Step 4: Simplify right side
    267,672.88x = 53,999,677,133.90
  5. Step 5: Solve for x
    x = 53,999,677,133.90/267,672.88
  6. Step 6: Final answer
    x = 201,737.57

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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.