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Finding the Fourth Proportional to 88,676.80, 122,376.58 and 48,393.16

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Solution

The fourth proportional to 88,676.80, 122,376.58 and 48,393.16 is: 66,783.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,676.80 : 122,376.58 = 48,393.16 : x
  2. Step 2: Convert to fraction form
    88,676.80/122,376.58 = 48,393.16/x
  3. Step 3: Cross multiply
    88,676.80x = 122,376.58 × 48,393.16
  4. Step 4: Simplify right side
    88,676.80x = 5,922,189,261.48
  5. Step 5: Solve for x
    x = 5,922,189,261.48/88,676.80
  6. Step 6: Final answer
    x = 66,783.98

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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.