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Finding the Fourth Proportional to 88,845.92, 122,595.52 and 57,057.84

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Solution

The fourth proportional to 88,845.92, 122,595.52 and 57,057.84 is: 78,732.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,845.92 : 122,595.52 = 57,057.84 : x
  2. Step 2: Convert to fraction form
    88,845.92/122,595.52 = 57,057.84/x
  3. Step 3: Cross multiply
    88,845.92x = 122,595.52 × 57,057.84
  4. Step 4: Simplify right side
    88,845.92x = 6,995,035,564.88
  5. Step 5: Solve for x
    x = 6,995,035,564.88/88,845.92
  6. Step 6: Final answer
    x = 78,732.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.