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Finding the Fourth Proportional to 92,693.84, 138,958.25 and 33,516.32

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Solution

The fourth proportional to 92,693.84, 138,958.25 and 33,516.32 is: 50,244.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,693.84 : 138,958.25 = 33,516.32 : x
  2. Step 2: Convert to fraction form
    92,693.84/138,958.25 = 33,516.32/x
  3. Step 3: Cross multiply
    92,693.84x = 138,958.25 × 33,516.32
  4. Step 4: Simplify right side
    92,693.84x = 4,657,368,311.27
  5. Step 5: Solve for x
    x = 4,657,368,311.27/92,693.84
  6. Step 6: Final answer
    x = 50,244.64

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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.