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Finding the Fourth Proportional to 68,050.80, 93,916.80 and 37,845.90

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Solution

The fourth proportional to 68,050.80, 93,916.80 and 37,845.90 is: 52,231.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,050.80 : 93,916.80 = 37,845.90 : x
  2. Step 2: Convert to fraction form
    68,050.80/93,916.80 = 37,845.90/x
  3. Step 3: Cross multiply
    68,050.80x = 93,916.80 × 37,845.90
  4. Step 4: Simplify right side
    68,050.80x = 3,554,365,821.12
  5. Step 5: Solve for x
    x = 3,554,365,821.12/68,050.80
  6. Step 6: Final answer
    x = 52,231.07

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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.