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Finding the Fourth Proportional to 92,707.41, 138,978.64 and 33,529.92

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Solution

The fourth proportional to 92,707.41, 138,978.64 and 33,529.92 is: 50,265.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,707.41 : 138,978.64 = 33,529.92 : x
  2. Step 2: Convert to fraction form
    92,707.41/138,978.64 = 33,529.92/x
  3. Step 3: Cross multiply
    92,707.41x = 138,978.64 × 33,529.92
  4. Step 4: Simplify right side
    92,707.41x = 4,659,942,680.91
  5. Step 5: Solve for x
    x = 4,659,942,680.91/92,707.41
  6. Step 6: Final answer
    x = 50,265.05

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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.