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Finding the Fourth Proportional to 88,676.85, 122,376.65 and 48,393.21

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Solution

The fourth proportional to 88,676.85, 122,376.65 and 48,393.21 is: 66,784.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,676.85 : 122,376.65 = 48,393.21 : x
  2. Step 2: Convert to fraction form
    88,676.85/122,376.65 = 48,393.21/x
  3. Step 3: Cross multiply
    88,676.85x = 122,376.65 × 48,393.21
  4. Step 4: Simplify right side
    88,676.85x = 5,922,199,043.53
  5. Step 5: Solve for x
    x = 5,922,199,043.53/88,676.85
  6. Step 6: Final answer
    x = 66,784.05

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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.