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Finding the Fourth Proportional to 92,672.76, 138,899.76 and 33,463.44

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Solution

The fourth proportional to 92,672.76, 138,899.76 and 33,463.44 is: 50,155.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,672.76 : 138,899.76 = 33,463.44 : x
  2. Step 2: Convert to fraction form
    92,672.76/138,899.76 = 33,463.44/x
  3. Step 3: Cross multiply
    92,672.76x = 138,899.76 × 33,463.44
  4. Step 4: Simplify right side
    92,672.76x = 4,648,063,784.77
  5. Step 5: Solve for x
    x = 4,648,063,784.77/92,672.76
  6. Step 6: Final answer
    x = 50,155.66

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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.