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Finding the Fourth Proportional to 74,608.97, 102,992.24 and 44,397.11

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Solution

The fourth proportional to 74,608.97, 102,992.24 and 44,397.11 is: 61,286.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,608.97 : 102,992.24 = 44,397.11 : x
  2. Step 2: Convert to fraction form
    74,608.97/102,992.24 = 44,397.11/x
  3. Step 3: Cross multiply
    74,608.97x = 102,992.24 × 44,397.11
  4. Step 4: Simplify right side
    74,608.97x = 4,572,558,176.90
  5. Step 5: Solve for x
    x = 4,572,558,176.90/74,608.97
  6. Step 6: Final answer
    x = 61,286.98

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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.