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Finding the Fourth Proportional to 67,804.98, 93,537.63 and 58,839.90

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Solution

The fourth proportional to 67,804.98, 93,537.63 and 58,839.90 is: 81,170.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,804.98 : 93,537.63 = 58,839.90 : x
  2. Step 2: Convert to fraction form
    67,804.98/93,537.63 = 58,839.90/x
  3. Step 3: Cross multiply
    67,804.98x = 93,537.63 × 58,839.90
  4. Step 4: Simplify right side
    67,804.98x = 5,503,744,795.44
  5. Step 5: Solve for x
    x = 5,503,744,795.44/67,804.98
  6. Step 6: Final answer
    x = 81,170.21

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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.