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Finding the Fourth Proportional to 61,175.69, 91,753.65 and 16,792.05

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Solution

The fourth proportional to 61,175.69, 91,753.65 and 16,792.05 is: 25,185.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,175.69 : 91,753.65 = 16,792.05 : x
  2. Step 2: Convert to fraction form
    61,175.69/91,753.65 = 16,792.05/x
  3. Step 3: Cross multiply
    61,175.69x = 91,753.65 × 16,792.05
  4. Step 4: Simplify right side
    61,175.69x = 1,540,731,878.48
  5. Step 5: Solve for x
    x = 1,540,731,878.48/61,175.69
  6. Step 6: Final answer
    x = 25,185.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.