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Finding the Fourth Proportional to 92,181.38, 138,294 and 29,851.88

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Solution

The fourth proportional to 92,181.38, 138,294 and 29,851.88 is: 44,784.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,181.38 : 138,294 = 29,851.88 : x
  2. Step 2: Convert to fraction form
    92,181.38/138,294 = 29,851.88/x
  3. Step 3: Cross multiply
    92,181.38x = 138,294 × 29,851.88
  4. Step 4: Simplify right side
    92,181.38x = 4,128,335,201.25
  5. Step 5: Solve for x
    x = 4,128,335,201.25/92,181.38
  6. Step 6: Final answer
    x = 44,784.92

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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.