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Finding the Fourth Proportional to 88,755, 122,482.90 and 48,469.24

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Solution

The fourth proportional to 88,755, 122,482.90 and 48,469.24 is: 66,888.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,755 : 122,482.90 = 48,469.24 : x
  2. Step 2: Convert to fraction form
    88,755/122,482.90 = 48,469.24/x
  3. Step 3: Cross multiply
    88,755x = 122,482.90 × 48,469.24
  4. Step 4: Simplify right side
    88,755x = 5,936,653,076.00
  5. Step 5: Solve for x
    x = 5,936,653,076.00/88,755
  6. Step 6: Final answer
    x = 66,888.10

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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.