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Finding the Fourth Proportional to 181,196.80, 271,838.40 and 87,625.60

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Solution

The fourth proportional to 181,196.80, 271,838.40 and 87,625.60 is: 131,459.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,196.80 : 271,838.40 = 87,625.60 : x
  2. Step 2: Convert to fraction form
    181,196.80/271,838.40 = 87,625.60/x
  3. Step 3: Cross multiply
    181,196.80x = 271,838.40 × 87,625.60
  4. Step 4: Simplify right side
    181,196.80x = 23,820,002,903.04
  5. Step 5: Solve for x
    x = 23,820,002,903.04/181,196.80
  6. Step 6: Final answer
    x = 131,459.29

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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.