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Finding the Fourth Proportional to 88,676.62, 122,376.33 and 48,392.98

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Solution

The fourth proportional to 88,676.62, 122,376.33 and 48,392.98 is: 66,783.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,676.62 : 122,376.33 = 48,392.98 : x
  2. Step 2: Convert to fraction form
    88,676.62/122,376.33 = 48,392.98/x
  3. Step 3: Cross multiply
    88,676.62x = 122,376.33 × 48,392.98
  4. Step 4: Simplify right side
    88,676.62x = 5,922,155,213.68
  5. Step 5: Solve for x
    x = 5,922,155,213.68/88,676.62
  6. Step 6: Final answer
    x = 66,783.73

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1.5x scale

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.