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Finding the Fourth Proportional to 68,165.76, 94,068 and 37,950.42

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Solution

The fourth proportional to 68,165.76, 94,068 and 37,950.42 is: 52,371.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,165.76 : 94,068 = 37,950.42 : x
  2. Step 2: Convert to fraction form
    68,165.76/94,068 = 37,950.42/x
  3. Step 3: Cross multiply
    68,165.76x = 94,068 × 37,950.42
  4. Step 4: Simplify right side
    68,165.76x = 3,569,920,108.56
  5. Step 5: Solve for x
    x = 3,569,920,108.56/68,165.76
  6. Step 6: Final answer
    x = 52,371.16

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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.