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Finding the Fourth Proportional to 98,787.33, 136,311.84 and 60,004.98

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Solution

The fourth proportional to 98,787.33, 136,311.84 and 60,004.98 is: 82,797.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,787.33 : 136,311.84 = 60,004.98 : x
  2. Step 2: Convert to fraction form
    98,787.33/136,311.84 = 60,004.98/x
  3. Step 3: Cross multiply
    98,787.33x = 136,311.84 × 60,004.98
  4. Step 4: Simplify right side
    98,787.33x = 8,179,389,232.96
  5. Step 5: Solve for x
    x = 8,179,389,232.96/98,787.33
  6. Step 6: Final answer
    x = 82,797.96

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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.