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Finding the Fourth Proportional to 88,393.55, 121,961.81 and 52,096.44

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Solution

The fourth proportional to 88,393.55, 121,961.81 and 52,096.44 is: 71,880.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,393.55 : 121,961.81 = 52,096.44 : x
  2. Step 2: Convert to fraction form
    88,393.55/121,961.81 = 52,096.44/x
  3. Step 3: Cross multiply
    88,393.55x = 121,961.81 × 52,096.44
  4. Step 4: Simplify right side
    88,393.55x = 6,353,775,856.47
  5. Step 5: Solve for x
    x = 6,353,775,856.47/88,393.55
  6. Step 6: Final answer
    x = 71,880.54

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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.