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Finding the Fourth Proportional to 88,472.88, 122,091.12 and 48,186

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Solution

The fourth proportional to 88,472.88, 122,091.12 and 48,186 is: 66,495.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,472.88 : 122,091.12 = 48,186 : x
  2. Step 2: Convert to fraction form
    88,472.88/122,091.12 = 48,186/x
  3. Step 3: Cross multiply
    88,472.88x = 122,091.12 × 48,186
  4. Step 4: Simplify right side
    88,472.88x = 5,883,082,708.32
  5. Step 5: Solve for x
    x = 5,883,082,708.32/88,472.88
  6. Step 6: Final answer
    x = 66,495.89

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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.