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Finding the Fourth Proportional to 88,676.74, 122,376.50 and 48,393.10

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Solution

The fourth proportional to 88,676.74, 122,376.50 and 48,393.10 is: 66,783.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,676.74 : 122,376.50 = 48,393.10 : x
  2. Step 2: Convert to fraction form
    88,676.74/122,376.50 = 48,393.10/x
  3. Step 3: Cross multiply
    88,676.74x = 122,376.50 × 48,393.10
  4. Step 4: Simplify right side
    88,676.74x = 5,922,177,348.30
  5. Step 5: Solve for x
    x = 5,922,177,348.30/88,676.74
  6. Step 6: Final answer
    x = 66,783.89

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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.