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Finding the Fourth Proportional to 88,722.52, 122,438.94 and 48,437.98

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Solution

The fourth proportional to 88,722.52, 122,438.94 and 48,437.98 is: 66,845.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,722.52 : 122,438.94 = 48,437.98 : x
  2. Step 2: Convert to fraction form
    88,722.52/122,438.94 = 48,437.98/x
  3. Step 3: Cross multiply
    88,722.52x = 122,438.94 × 48,437.98
  4. Step 4: Simplify right side
    88,722.52x = 5,930,694,926.94
  5. Step 5: Solve for x
    x = 5,930,694,926.94/88,722.52
  6. Step 6: Final answer
    x = 66,845.43

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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.