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Finding the Fourth Proportional to 267,026.61, 400,538.90 and 109,255.02

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Solution

The fourth proportional to 267,026.61, 400,538.90 and 109,255.02 is: 163,882.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,026.61 : 400,538.90 = 109,255.02 : x
  2. Step 2: Convert to fraction form
    267,026.61/400,538.90 = 109,255.02/x
  3. Step 3: Cross multiply
    267,026.61x = 400,538.90 × 109,255.02
  4. Step 4: Simplify right side
    267,026.61x = 43,760,884,984.00
  5. Step 5: Solve for x
    x = 43,760,884,984.00/267,026.61
  6. Step 6: Final answer
    x = 163,882.11

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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.