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Finding the Fourth Proportional to 88,669.64, 122,361.71 and 48,383.42

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Solution

The fourth proportional to 88,669.64, 122,361.71 and 48,383.42 is: 66,767.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,669.64 : 122,361.71 = 48,383.42 : x
  2. Step 2: Convert to fraction form
    88,669.64/122,361.71 = 48,383.42/x
  3. Step 3: Cross multiply
    88,669.64x = 122,361.71 × 48,383.42
  4. Step 4: Simplify right side
    88,669.64x = 5,920,277,153.12
  5. Step 5: Solve for x
    x = 5,920,277,153.12/88,669.64
  6. Step 6: Final answer
    x = 66,767.80

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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.