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Finding the Fourth Proportional to 92,857.53, 139,353.93 and 33,697.97

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Solution

The fourth proportional to 92,857.53, 139,353.93 and 33,697.97 is: 50,571.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,857.53 : 139,353.93 = 33,697.97 : x
  2. Step 2: Convert to fraction form
    92,857.53/139,353.93 = 33,697.97/x
  3. Step 3: Cross multiply
    92,857.53x = 139,353.93 × 33,697.97
  4. Step 4: Simplify right side
    92,857.53x = 4,695,943,855.75
  5. Step 5: Solve for x
    x = 4,695,943,855.75/92,857.53
  6. Step 6: Final answer
    x = 50,571.49

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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.