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Finding the Fourth Proportional to 88,709.85, 122,415.17 and 48,425.31

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Solution

The fourth proportional to 88,709.85, 122,415.17 and 48,425.31 is: 66,824.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,709.85 : 122,415.17 = 48,425.31 : x
  2. Step 2: Convert to fraction form
    88,709.85/122,415.17 = 48,425.31/x
  3. Step 3: Cross multiply
    88,709.85x = 122,415.17 × 48,425.31
  4. Step 4: Simplify right side
    88,709.85x = 5,927,992,313.83
  5. Step 5: Solve for x
    x = 5,927,992,313.83/88,709.85
  6. Step 6: Final answer
    x = 66,824.51

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