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Finding the Fourth Proportional to 77,877.48, 116,865.42 and 44,662.41

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Solution

The fourth proportional to 77,877.48, 116,865.42 and 44,662.41 is: 67,021.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,877.48 : 116,865.42 = 44,662.41 : x
  2. Step 2: Convert to fraction form
    77,877.48/116,865.42 = 44,662.41/x
  3. Step 3: Cross multiply
    77,877.48x = 116,865.42 × 44,662.41
  4. Step 4: Simplify right side
    77,877.48x = 5,219,491,652.48
  5. Step 5: Solve for x
    x = 5,219,491,652.48/77,877.48
  6. Step 6: Final answer
    x = 67,021.84

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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.