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Finding the Fourth Proportional to 92,594.96, 138,850.96 and 55,172.72

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Solution

The fourth proportional to 92,594.96, 138,850.96 and 55,172.72 is: 82,734.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,594.96 : 138,850.96 = 55,172.72 : x
  2. Step 2: Convert to fraction form
    92,594.96/138,850.96 = 55,172.72/x
  3. Step 3: Cross multiply
    92,594.96x = 138,850.96 × 55,172.72
  4. Step 4: Simplify right side
    92,594.96x = 7,660,785,137.81
  5. Step 5: Solve for x
    x = 7,660,785,137.81/92,594.96
  6. Step 6: Final answer
    x = 82,734.36

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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.