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Finding the Fourth Proportional to 82,722.70, 124,084.79 and 23,558.34

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Solution

The fourth proportional to 82,722.70, 124,084.79 and 23,558.34 is: 35,337.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,722.70 : 124,084.79 = 23,558.34 : x
  2. Step 2: Convert to fraction form
    82,722.70/124,084.79 = 23,558.34/x
  3. Step 3: Cross multiply
    82,722.70x = 124,084.79 × 23,558.34
  4. Step 4: Simplify right side
    82,722.70x = 2,923,231,671.65
  5. Step 5: Solve for x
    x = 2,923,231,671.65/82,722.70
  6. Step 6: Final answer
    x = 35,337.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.