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Finding the Fourth Proportional to 92,181.76, 127,250.04 and 61,984.60

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Solution

The fourth proportional to 92,181.76, 127,250.04 and 61,984.60 is: 85,565.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,181.76 : 127,250.04 = 61,984.60 : x
  2. Step 2: Convert to fraction form
    92,181.76/127,250.04 = 61,984.60/x
  3. Step 3: Cross multiply
    92,181.76x = 127,250.04 × 61,984.60
  4. Step 4: Simplify right side
    92,181.76x = 7,887,542,829.38
  5. Step 5: Solve for x
    x = 7,887,542,829.38/92,181.76
  6. Step 6: Final answer
    x = 85,565.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.