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Finding the Fourth Proportional to 88,760.70, 122,489.14 and 48,474.47

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Solution

The fourth proportional to 88,760.70, 122,489.14 and 48,474.47 is: 66,894.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,760.70 : 122,489.14 = 48,474.47 : x
  2. Step 2: Convert to fraction form
    88,760.70/122,489.14 = 48,474.47/x
  3. Step 3: Cross multiply
    88,760.70x = 122,489.14 × 48,474.47
  4. Step 4: Simplify right side
    88,760.70x = 5,937,596,142.26
  5. Step 5: Solve for x
    x = 5,937,596,142.26/88,760.70
  6. Step 6: Final answer
    x = 66,894.43

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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.