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Finding the Fourth Proportional to 61,670.59, 85,121.13 and 41,254.95

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Solution

The fourth proportional to 61,670.59, 85,121.13 and 41,254.95 is: 56,942.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,670.59 : 85,121.13 = 41,254.95 : x
  2. Step 2: Convert to fraction form
    61,670.59/85,121.13 = 41,254.95/x
  3. Step 3: Cross multiply
    61,670.59x = 85,121.13 × 41,254.95
  4. Step 4: Simplify right side
    61,670.59x = 3,511,667,725.14
  5. Step 5: Solve for x
    x = 3,511,667,725.14/61,670.59
  6. Step 6: Final answer
    x = 56,942.34

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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.