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Finding the Fourth Proportional to 92,933.84, 139,400.76 and 33,758.48

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Solution

The fourth proportional to 92,933.84, 139,400.76 and 33,758.48 is: 50,637.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,933.84 : 139,400.76 = 33,758.48 : x
  2. Step 2: Convert to fraction form
    92,933.84/139,400.76 = 33,758.48/x
  3. Step 3: Cross multiply
    92,933.84x = 139,400.76 × 33,758.48
  4. Step 4: Simplify right side
    92,933.84x = 4,705,957,768.44
  5. Step 5: Solve for x
    x = 4,705,957,768.44/92,933.84
  6. Step 6: Final answer
    x = 50,637.72

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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.