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Finding the Fourth Proportional to 92,706.35, 138,977.05 and 33,528.86

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Solution

The fourth proportional to 92,706.35, 138,977.05 and 33,528.86 is: 50,263.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,706.35 : 138,977.05 = 33,528.86 : x
  2. Step 2: Convert to fraction form
    92,706.35/138,977.05 = 33,528.86/x
  3. Step 3: Cross multiply
    92,706.35x = 138,977.05 × 33,528.86
  4. Step 4: Simplify right side
    92,706.35x = 4,659,741,885.02
  5. Step 5: Solve for x
    x = 4,659,741,885.02/92,706.35
  6. Step 6: Final answer
    x = 50,263.46

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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.