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Finding the Fourth Proportional to 77,673.00, 116,258.90 and 40,181.44

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Solution

The fourth proportional to 77,673.00, 116,258.90 and 40,181.44 is: 60,142.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,673.00 : 116,258.90 = 40,181.44 : x
  2. Step 2: Convert to fraction form
    77,673.00/116,258.90 = 40,181.44/x
  3. Step 3: Cross multiply
    77,673.00x = 116,258.90 × 40,181.44
  4. Step 4: Simplify right side
    77,673.00x = 4,671,449,813.91
  5. Step 5: Solve for x
    x = 4,671,449,813.91/77,673.00
  6. Step 6: Final answer
    x = 60,142.52

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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.