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Finding the Fourth Proportional to 74,339.98, 102,542.51 and 44,103.89

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Solution

The fourth proportional to 74,339.98, 102,542.51 and 44,103.89 is: 60,835.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,339.98 : 102,542.51 = 44,103.89 : x
  2. Step 2: Convert to fraction form
    74,339.98/102,542.51 = 44,103.89/x
  3. Step 3: Cross multiply
    74,339.98x = 102,542.51 × 44,103.89
  4. Step 4: Simplify right side
    74,339.98x = 4,522,523,617.20
  5. Step 5: Solve for x
    x = 4,522,523,617.20/74,339.98
  6. Step 6: Final answer
    x = 60,835.69

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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.