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Finding the Fourth Proportional to 79,885.72, 119,847.04 and 23,724.60

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Solution

The fourth proportional to 79,885.72, 119,847.04 and 23,724.60 is: 35,592.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,885.72 : 119,847.04 = 23,724.60 : x
  2. Step 2: Convert to fraction form
    79,885.72/119,847.04 = 23,724.60/x
  3. Step 3: Cross multiply
    79,885.72x = 119,847.04 × 23,724.60
  4. Step 4: Simplify right side
    79,885.72x = 2,843,323,085.18
  5. Step 5: Solve for x
    x = 2,843,323,085.18/79,885.72
  6. Step 6: Final answer
    x = 35,592.38

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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.