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Finding the Fourth Proportional to 88,706.88, 122,361.12 and 60,425.28

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Solution

The fourth proportional to 88,706.88, 122,361.12 and 60,425.28 is: 83,349.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,706.88 : 122,361.12 = 60,425.28 : x
  2. Step 2: Convert to fraction form
    88,706.88/122,361.12 = 60,425.28/x
  3. Step 3: Cross multiply
    88,706.88x = 122,361.12 × 60,425.28
  4. Step 4: Simplify right side
    88,706.88x = 7,393,704,937.11
  5. Step 5: Solve for x
    x = 7,393,704,937.11/88,706.88
  6. Step 6: Final answer
    x = 83,349.85

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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.