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Finding the Fourth Proportional to 88,606, 122,276.30 and 48,318.73

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Solution

The fourth proportional to 88,606, 122,276.30 and 48,318.73 is: 66,679.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,606 : 122,276.30 = 48,318.73 : x
  2. Step 2: Convert to fraction form
    88,606/122,276.30 = 48,318.73/x
  3. Step 3: Cross multiply
    88,606x = 122,276.30 × 48,318.73
  4. Step 4: Simplify right side
    88,606x = 5,908,235,525.10
  5. Step 5: Solve for x
    x = 5,908,235,525.10/88,606
  6. Step 6: Final answer
    x = 66,679.86

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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.