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Finding the Fourth Proportional to 88,711.89, 122,420.61 and 48,425.54

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Solution

The fourth proportional to 88,711.89, 122,420.61 and 48,425.54 is: 66,826.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,711.89 : 122,420.61 = 48,425.54 : x
  2. Step 2: Convert to fraction form
    88,711.89/122,420.61 = 48,425.54/x
  3. Step 3: Cross multiply
    88,711.89x = 122,420.61 × 48,425.54
  4. Step 4: Simplify right side
    88,711.89x = 5,928,283,534.28
  5. Step 5: Solve for x
    x = 5,928,283,534.28/88,711.89
  6. Step 6: Final answer
    x = 66,826.26

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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.