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Finding the Fourth Proportional to 267,651.36, 401,502.12 and 96,915.72

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Solution

The fourth proportional to 267,651.36, 401,502.12 and 96,915.72 is: 145,382.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,651.36 : 401,502.12 = 96,915.72 : x
  2. Step 2: Convert to fraction form
    267,651.36/401,502.12 = 96,915.72/x
  3. Step 3: Cross multiply
    267,651.36x = 401,502.12 × 96,915.72
  4. Step 4: Simplify right side
    267,651.36x = 38,911,867,041.33
  5. Step 5: Solve for x
    x = 38,911,867,041.33/267,651.36
  6. Step 6: Final answer
    x = 145,382.66

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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.