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Finding the Fourth Proportional to 74,373.50, 102,625.10 and 43,747.98

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Solution

The fourth proportional to 74,373.50, 102,625.10 and 43,747.98 is: 60,366.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,373.50 : 102,625.10 = 43,747.98 : x
  2. Step 2: Convert to fraction form
    74,373.50/102,625.10 = 43,747.98/x
  3. Step 3: Cross multiply
    74,373.50x = 102,625.10 × 43,747.98
  4. Step 4: Simplify right side
    74,373.50x = 4,489,641,083.08
  5. Step 5: Solve for x
    x = 4,489,641,083.08/74,373.50
  6. Step 6: Final answer
    x = 60,366.14

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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.