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Finding the Fourth Proportional to 88,704.42, 122,411.25 and 48,418.44

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Solution

The fourth proportional to 88,704.42, 122,411.25 and 48,418.44 is: 66,816.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,704.42 : 122,411.25 = 48,418.44 : x
  2. Step 2: Convert to fraction form
    88,704.42/122,411.25 = 48,418.44/x
  3. Step 3: Cross multiply
    88,704.42x = 122,411.25 × 48,418.44
  4. Step 4: Simplify right side
    88,704.42x = 5,926,961,763.45
  5. Step 5: Solve for x
    x = 5,926,961,763.45/88,704.42
  6. Step 6: Final answer
    x = 66,816.98

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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.